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AppSec Tales XVII | SSRFApplication Security Testing for the Server Side Request Forgery. The article describes how to test the application to find Server Side Request Forgery vulnerabilities. The advice in this article is based on the following:
An overlooked parameter leads to a critical SSRF in Dropbox bug bounty programCheck out Intigriti: https://www.intigriti.com/ šŸ“§ Subscribe to BBRE Premium: https://bbre.dev/premium ($20 OFF with code BIRTHDAY) āœ‰ļø Sign up for the mailing list: https://bbre.dev/nl šŸ“£ Follow me on Twitter: https://bbre.dev/tw This video is an explanation of an SSRF found by Harsh Jaisw
Hunting for SSRF Bugs in PDF GeneratorsĀ If youā€™ve been on a website and noticed one of the following features, thereā€™s a good chance youā€™ve stumbled upon a hot spot for server-side request forgery (SSRF) bugs: Print a certificate of completion Generate a report Submit a digital signature Before getting into the nuts ā€˜nā€™ bolts of
rbndrrbndr is a very simple, non-conforming, name server for testing software against DNS rebinding vulnerabilities. The server responds to queries by randomly selecting one of the addresses specified in the hostname and returning it as the answer with a very low ttl.
XSSRF : The Matrimony of XSS and SSRF.Hey folks, Nauman Khan back in action! šŸš€ Today, weā€™re diving into the depth of XSSRF ā€” where Server-Side Request Forgery (SSRF) meets Cross-Site Scripting (XSS). Lets Learn How I was able to turn an Informative(P5) SSRF to an High(P2) Severity Vulnerability And Got $$$ for it.
Exploit Server-Side Request Forgery SSRF POC | Find and Exploit Server-Side Request Forgery SSRF#exploitssrf #ssrf #exploit Exploit Server-Side Request Forgery SSRF | Find and Exploit Server-Side Request Forgery SSRF. What is SSRF (Server-side request forgery)? Tutorial ... Learn what server-side request forgery (SSRF) is, how it works, and how to exploit it. Find out the impact of SSRF at
Find and Exploit Server-Side Request Forgery (SSRF) Using Burp Suite | Bug Bounty Liveā—| THIS VIDEO IS ONLY FOR EDUCATIONAL PURPOSE ------------------------------------------------ The Regex to Use: (https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s]{2,}|www\
SSRF EXPLOITATION: FILE DISCLOSURE | 2023 | BUG BOUNTYNote: This video is only for educational purpose. Intigriti: https://go.intigriti.com/bepractical Hi everyone! In this video, you will learn how to exploit server side request forgery to file disclosure vulnerability Website: https://bepractical.tech Telegram: https://telegram.me/bepracticaltech
Penetration Testing for Server-Side Request Forgery (SSRF) in E-commerce PlatformsE-commerce platforms are highly vulnerable to various security threats, and one of the most critical vulnerabilities is Server-Side Request Forgery (SSRF).
Breaking Down SSRF on PDF Generation: A Pentesting GuideSo todayā€™s article is about the approach for hunting SSRF, I will be more focused on the PDF generation side. Letā€™s dive into it! Server side request vulnerability occurs when an attacker can manipulate the input to a web application that triggers a request from the server to a remote resource.
assetnote/surfsurf allows you to filter a list of hosts, returning a list of viable SSRF candidates. It does this by sending a HTTP request from your machine to each host, collecting all the hosts that did not respond, and then filtering them into a list of externally facing and internally facing hosts.
IntroductionIntroduction What is Server Side Request Forgery (SSRF)? Server Side Request Forgery occurs when you can coerce a server to make arbitrary requests on your behalf.
How Orca Found Server-Side Request Forgery (SSRF) Vulnerabilities in Four Different Azure ServicesAs part of the Orca Research Pod efforts, we regularly research various cloud provider services and capabilities to help our customers keep their assets safe and secure in the cloud.
Security Bugs in Practice: SSRF via Request SplittingOne of the most interesting (and sometimes scary!) parts of my job at Mozilla is dealing with security bugs.
Server-Side Request Forgery (SSRF) vulnerable LabThis repository contain PHP codes which are vulnerable to Server-Side Request Forgery (SSRF) attack. In programming languages, there are functions which can fetch the contents of locally saved file. These functions may be capable of fetching the content from remote URLs as well local files (e.
SSRF Cross Protocol Redirect Bypass Ā· Doyensec's BlogServer Side Request Forgery (SSRF) is a fairly known vulnerability with established prevention methods. So imagine my surprise when I bypassed an SSRF mitigation during a routine retest.
Securing PDF Generators Against SSRF VulnerabilitiesA couple of months ago, I was trying to figure out how I could secure a PDF generator running in AWS Lambda against SSRF attacks. SSRF attacks are a type of attack where an attacker can trick a service into making requests to arbitrary external resources.
Mitigating SSRF in 2023Server-Side Request Forgery (SSRF) is a vulnerability that allows an attacker to trick a server-side application to make a request to an unintended location. SSRF, unlike most other specific vulnerabilities, has gained its own spot on the OWASP Top 10 2021.
Azure SSRF MetadataAzure provides a metadata service that allows applications on a Virtual Machine (VM) to access information about the machineā€™s configuration, including any associated service account credentials. The sensitivity of this information makes it a common target for adversaries.
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Blind SSRF - The TrayHi fellow hunters, in this write-up, I will explain how I found a Blind SSRF and got a red bull tray as a reward. The Redbull Bug Bounty program is on Intigritiā€™s Platform. Blind SSRF is a type of SSRF attack where the attacker cannot see the response from the server.
Attacking APIs with SSRF and how to prevent itBased on the 2023 OWASP API Security Top 10 this is one of the common attack types. The exploitability and detectability are easy making it quite dangerous. Server-Side Request Forgery (SSRF) flaws occur when an API is fetching a remote resource without validating the user-supplied URL.
Server-side request forgery (SSRF) in Web App Penetration Testing | 2023Server-side request forgery is a web security vulnerability that allows an attacker to cause the server-side application to make requests to an unintended location.
ā€œThe future of SSRF attacksā€ Machine learning and AI-based exploitationAs the world becomes increasingly digital, cybersecurity threats are evolving at an unprecedented pace. One of the vulnerabilities that has been on the rise is Server-Side Request Forgery (SSRF), and its future holds both potential for defenders and challenges for security professionals.
11.2 Lab: Exploiting XXE to perform SSRF attacks | 2023This lab has a ā€œCheck stockā€ feature that parses XML input and returns any unexpected values in the response. The lab server is running a (simulated) EC2 metadata endpoint at the default URL, which is http://169.254.169.254/.
ā€œSSRF to RCEā€ A case study in exploiting chained vulnerabilitiesServer-Side Request Forgery (SSRF) vulnerabilities are known to be serious, allowing attackers to manipulate requests from a web application.
ā€œBypassing SSRF protection measuresā€ Techniques for evading WAFs and input validationServer-Side Request Forgery (SSRF) vulnerabilities are a persistent threat to web applications and cloud services. To exploit SSRF, attackers often need to bypass security measures such as Web Application Firewalls (WAFs) and input validation checks.
ā€œSSRF hunting in the cloudā€ Exploiting misconfigured services in cloud environmentsServer-Side Request Forgery (SSRF) vulnerabilities have become increasingly prevalent in cloud environments due to the growing adoption of cloud services and the complexities they introduce. These vulnerabilities often stem from misconfigured services and can have devastating consequences.
Exploring the SSRF attack surfaceServer-Side Request Forgery (SSRF) is a critical security vulnerability that often goes unnoticed, leaving web applications and cloud services exposed to potential attacks. Understanding the SSRF attack surface is the first step in mitigating this threat effectively.
What is SSRF? (Portswigger ā€“ Lab: Basic SSRF against the local server)Hello Cyberman! This article subject SSRF attacks. This series of articles will be with Portswigger solutions.
Testing for SSRF with Burp SuiteServer-side request forgery (SSRF) is a web security vulnerability that allows an attacker to induce the server-side application to make requests to an unintended location.
SSRF vulnerabilities and where to find themItā€™s no secret that cloud architectures have several characteristics that make SSRF attacks challenging to defend against. While SSRFs are not a new threat vector, they are often misunderstood and confused with CSRFs.
SSRF SheriffThis is an SSRF testing sheriff written in Go. It was originally created for the Uber H1-4420 2019 London Live Hacking Event, but it is now being open-sourced for other organizations to implement and contribute back to. Released under the MIT License.
SSRF ProxySSRF Proxy SSRF Proxy is a multi-threaded HTTP proxy server designed to tunnel client HTTP traffic through HTTP servers vulnerable to Server-Side Request Forgery (SSRF). Once configured, SSRF Proxy attempts to format client HTTP requests appropriately for the vulnerable server.
NucleiFuzzer - Powerful Automation Tool For Detecting XSS, SQLi, SSRF, Open-Redirect, Etc.. Vulnerabilities In Web ApplicationsNucleiFuzzer is an automation tool that combines ParamSpider and Nuclei to enhance web application security testing. It uses ParamSpider to identify potential entry points and Nuclei's templates to scan for vulnerabilities.
SSRF Bypass ListBase-Url: 127.0.0.1 Client-IP: 127.0.0.1 Http-Url: 127.0.0.1 Proxy-Host: 127.0.0.1 Proxy-Url: 127.0.0.1 Real-Ip: 127.0.0.1 Redirect: 127.0.0.1 Referer: 127.0.0.1 Referrer: 127.0.0.1 Refferer: 127.0.0.1 Request-Uri: 127.0.0.1 Uri: 127.0.0.1 Url: 127.0.0.1 X-Client-IP: 127.0.0.
My First Case of SSRF Using DirsearchHello, I am a 16-year-old bug bounty hunter. I would like to appreciate God Almighty for helping me to find this bug.
Exploiting Non-Cloud SSRF for More Fun & ProfitLet's jump in directly, while hunting on some random target in my spare time, I came across one subdomain where we can see the reports related to the company and marketing, I found one functionality where we can see the report in pdf format.
SSRF attacks explained and how to defend against themHowever, files and assets that are directly accessible to the general audience surfing the web might be accessible by the server itself. For example, as a visitor, you can easily request a public URL like https://www.csoonline.
What are SSRF Attacks and How They Work to Disrupting Email SecuritySSRF attacks have gained momentum in recent years. They have been used as a break-in technique in significant attacks on organizations like Capital One and Microsoft.
0xdf hacks stuffMuch like CrossFit, CrossFitTwo was just a monster of a box. The centerpiece is a crazy cross-site scripting attack through a password reset interface using DNS to redirect the admin to a site I control to then have them register an account for me. Iā€™ll then hijack some socket.
SSRFIREAn automated SSRF finder. Just give the domain name and your server and chill! šŸ˜‰ It also has options to find XSS and open redirects. If you don't have burpsuite professional, you can use interact sh by the awesome projectdiscovery team as your server.
Th0h0/autossrfSummary autoSSRF is your best ally for identifying SSRF vulnerabilities at scale.
SSRFmapSSRF are often used to leverage actions on other services, this framework aims to find and exploit these services easily. SSRFmap takes a Burp request file as input and a parameter to fuzz.
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ssrfServer-side request forgery (also known as SSRF) is a web security vulnerability that allows an attacker to induce the server-side application to make HTTP requests to an arbitrary domain of the attackerā€™s choosing.
Server-Side Request Forgery Attack Explained: Definition, Types, ProtectionA Server-Side Request Forgery attack (SSRF) is a security vulnerability in which a hacker tricks a server into accessing unintended resources on his behalf. An SSRF attack can lead to sensitive information being leaked or the attacker gaining control of other systems.
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Exfiltrated, Signed, Delivered ā€“ What Can Go Wrong When an Amazon Elastic Compute Cloud (EC2) Instance is Exposed to SSRFĀ TL; DR: Using CNAPPgoat, you can now experiment with a technique that leverages exposure to SSRF to trigger calls to AWS services from within an Amazon EC2 instance. Check it out!Ā  CNAPPgoat is Ermeticā€™s open-source contribution to the multicloud environment landscape.
Cloud SSRFHackTricks HackTricks CloudTwitchYoutubeTwitter Search āŒƒK Links šŸ‘¾ Welcome! HackTricks About the author Getting Started in Hacking šŸ¤© Generic Methodologies & Resources Pentesting Methodology External Recon Methodology Pentesting Network Pentesting Wifi Phishing Methodology Basic Forensic Met
SSRF (Server Side Request Forgery)HackTricks Searchā€¦ āŒƒK HackTricks Searchā€¦ āŒƒK šŸ‘¾ Welcome! HackTricks About the author Getting Started in Hacking šŸ¤© Generic Methodologies & Resources Pentesting Methodology External Recon Methodology Pentesting Network Pentesting Wifi Phishing Methodology Basic Forensic Methodology Brute
On SSRF (Server Side Request Forgery) or Simple Stuff Rodolfo FoundI think the most we have to test against an application the better. But as you can see by yourself (correct me if Iā€™m wrong please) the following set of scenarios and payloads are not addressed in most of the lists you can find out there for SSRF (Server Side Request Forgery).
Awesome Bug Bounty ToolsAwesome Bug Bounty Tools A curated list of various bug bounty tools Contents Recon Subdomain Enumeration Port Scanning Screenshots Technologies Content Discovery Links Parameters Fuzzing Exploitation Command Injection CORS Misconfiguration CRLF Injection CSRF Injection Directory Traversal File Inc
SSRF vulnerabilities and where to find themServer-Side Request Forgery (SSRF) occurs when an application accepts a URL (or partial URL) from the user, then accesses that URL from the server. Itā€™s important to note that SSRF is only a vulnerability if there is some security impact.
devanshbatham/Vulnerabilities-UnmaskedThis repo tries to explain complex security vulnerabilities in simple terms that even a five-year-old can understand! Imagine you have a toy box where you and your friends can put your favorite toys in and take them out whenever you want. Each of you can only take out your own toys.
SSRF Cheat Sheet & Bypass Techniques āˆžWhat is SSRF? Server Side Request Forgery (SSRF) is a web vulnerability that allows an attacker to exploit vulnerable functionality to access server side or local network services / functionality by affectively traversing the external firewall using vulnerable web functionality.
Defender's Notes
Server Side Request Forgery PreventionThe objective of the cheat sheet is to provide advices regarding the protection against Server Side Request Forgery (SSRF) attack. This cheat sheet will focus on the defensive point of view and will not explain how to perform this attack.
Server Side Request ForgeryServer-side request forgery (or SSRF) is a web security vulnerability that allows an attacker to induce the server-side application to make HTTP requests to an arbitrary domain of the attacker's choosing.
Server-Side Request ForgeryServer Side Request Forgery or SSRF is a vulnerability in which an attacker forces a server to perform requests on their behalf. The service nip.io is awesome for that, it will convert any ip address as a dns.
Fun with SSRF - Turning the Kubernetes API Server into a port scannerI thought Iā€™d start the new year with something a little fun that Iā€™ve been looking at over the break (well for a certain definition of the word ā€˜funā€™ šŸ™‚ ).
raesene/k8s_ssrf_portscannerThis is a Proof of concept idea for using the Kubernetes API server as a port scanner via SSRF. This is a very simple PoC and is not intended to be used in production!
SSRF SeriesSSRF (Server-Side Request Forgery: server-side request forgery) is a fake exploit server-initiated requests. Generally, SSRF attacks target internal systems that are not accessible from the external network. 1. Show response to attacker (basic) 2. Do now show response (blind)
Server Side Request Forgery (SSRF)
AllThingsSSRFThis is currently work in progress I will add more resources as I find them. Detectfy - What is server side request forgery (SSRF)?
Escalating SSRF to Accessing all user PII information by aws metadataMy name is Santosh Kumar Sha, Iā€™m a security researcher from India(Assam). In this article, I will be describing how I was able to leaked all user PII information by SSRF aws metadata exploitation. Donā€™t go outside without any reason . Stay home be safe and also safe other.
CodeNinjaPosted on June 27, 2021
Useful Mind MapsUseful Mind Maps Collection 1. IDOR Techniques 2. Testing 2FA 3. 2FA Bypass Techniques 4. Bugs in Register/ Signup Feature 5. Cookie_Based_Authentication_Vulnerabilities 6. SSRF 7. Tesing JIRA for CVEā€™s 8. OAUTH2 Pentesting Checklist 9. Testing OAUTH 10.
The story of how I was able to chain SSRF with Command Injection VulnerabilityHope youā€™re doing well, I am Raj Qureshi and I am a penetration tester. today I am doing another write-up about one of my best findings ever. In this write-up, I will be describing how I was able to chain SSRF attack with command injection Vulnerability.
SSRFā€™s up! Real World Server-Side Request Forgery (SSRF)In this blog post weā€™re going to explain what an SSRF attack is, how to test for it, and some basic guidelines on how to fix it. We will be using a real-world example, exploiting a vulnerability we discovered in a commercial Business Intelligence product called Dundas BI.
A Pentesterā€™s Guide to Server Side Request Forgery (SSRF)What is SSRF? In a Server-Side Request Forgery (SSRF) attack, the attacker can abuse functionality on the server to read or update internal resources. The attacker can supply or modify a URL, which the code running on the server will read or submit data.
Top 25 Vulnerability Parameters based on frequencyFor basic researches, top 25 vulnerable parameters based on frequency of use with reference to various articles. These parameters can be used for automation tools or manual recon.
Server Side Request Forgery (SSRF) and AWS EC2 instances after Instance Meta Data Service versionā€¦Having blogged about exploiting SSRF on AWS EC2 instances in the past, we wanted to give you an update on where things stand now. Server Side Request Forgery can be an extremely lucrative finding to an attacker because of the ability to make requests from the target machine.
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SSRF
/home/six2dez/.pentest-book/home/six2dez/.
Web ApplicationApril 7, 2022Server-Side Request Forgery (SSRF)SSRF vulnerabilities allow an attacker to send crafted malicious requests from the back-end server of a vulnerable application. Criminals usually operate SSRF attacks to target internal systems that are behind firewalls and are not unrestricted from the external network.
Understanding and Testing for SSRFClint Kehr Ethical Hacker Senior Instructor
Server-Side Request Forgery (SSRF) Attacks: The Ultimate GuideSeveral significant cybersecurity breaches in recent years, including Capital One and Microsoft Exchange, involved server-side request forgery (SSRF) as a penetration method. These exploits can give attackers access to your organizationā€™s most sensitive data.
How To: Server-Side Request Forgery (SSRF)Server-Side Request Forgery, SSRF for short, is a vulnerability class that describes the behavior of a server making a request thatā€™s under the attackerā€™s control. This post will go over the impact, how to test for it, the potential pivots, defeating mitigations, and caveats.
Beginner Guide To Exploit Server Side Request Forgery (SSRF) VulnerabilityServer Side Request Forgery (SSRF) is simply an attack where the server will make a request (act like a proxy) for the attacker either to a local or to a remote source and then return a response containing the data resulting from the request.
WSTG - v4.2Web applications often interact with internal or external resources. While you may expect that only the intended resource will be handling the data you send, improperly handled data may create a situation where injection attacks are possible.
Burp Suite For Pentester: HackBarIsnā€™t it a bit time consuming and a boring task to insert a new payload manually every time for a specific vulnerability and check for its response?
SSRF (Server Side Request Forgery) testing resourcesStatus codes: 300, 301, 302, 303, 305, 307, 308
MindMaps šŸ—ŗļøThis repository stores and houses various Mindmaps for bug bounty HuntersšŸ§‘ā€šŸ¦°, pentestersšŸ§‘ā€šŸ¦° and offensive(šŸ”“)/defensive(šŸ”µ) security ProfessionalsšŸ«‚ provided by me as well as contributed by the communityšŸ§‘šŸ»ā€šŸ¤ā€šŸ§‘šŸ½.
Carrying Out Your First SSRF AttackHi, within this lecture we're going to do our first SSRF attack so that you can understand this in a much better way while implementing it or executing it yourself. So, let's see the example over here. So, it says that consider like an e-commerce application or e-commerce website.
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Server-Side Request Forgery (SSRF)In this chapter, we are going to learn about server-side request forgery (or also called SSRF). In a Server-Side Request Forgery (SSRF) attack, the attacker can abuse functionality on the server to read or update internal resources.
Server Side Request Forgery (SSRF) Attacks & How to Prevent ThemServer-Side Request Forgery (SSRF) attacks allow an attacker to make requests to any domains through a vulnerable server. Attackers achieve this by making the server connect back to itself, to an internal service or resource, or to its own cloud provider.
URL Format Bypass
SSRF and Open Redirect CheatSheetSSRF Basic ?url=http://localhost/server-status ?url=http://127.0.0.1/server-status ?url=http://internal_domain/page ?url=http://internal_ip(192.138.0.14)/page Bypass SSRF with Special chars ?url=http://allow_domain.
My First Bounty From SSRF: From Finding a Vulnerability to Cashing InHello peoples, Iā€™m Muhammad Julfikar Hyder from Bangladesh back again with my first bounty story today. You can also read my previous blog here How I hacked LINEā€™s bucket.
Server-Side Request Forgery(SSRF) CYBERTALENTSServer Side Request Forgery is a web security vulnerability that allows the attacker to interact with the internal infrastructure of the target which is not accessible from outside the target network.
1. The Accidental SSRFOWASP top 10 includes SSRF in the categories, still finding SSRF can usually be tricky. These attacks occur when an application is fetching data from a user-supplied URL, without any validations.
Server-Side Request Forgery (SSRF) involves an attacker tricking a server into making unauthorizedā€¦Server-Side Request Forgery (SSRF) involves an attacker tricking a server into making unauthorized requests on behalf of the attacker. This type of attack can be hazardous, as it can allow the attacker to gain access to sensitive information, such as user data or internal network details.
yeswehack/vulnerable-code-snippetsYesWeHack present code snippets containing several different vulnerabilities to practice your code analysis. The code snippets are beginner friendly but suitable for all levels!
A Glossary of Blind SSRF ChainsWhat is Server Side Request Forgery (SSRF)? Server Side Request Forgery occurs when you can coerce a server to make arbitrary requests on your behalf. As the requests are being made by the server, it may be possible to access internal resources due to where the server is positioned in the network.
Hey man if I talk about the impact it is comparatively low than that of normal ssrf because of itsā€¦Hey man if I talk about the impact it is comparatively low than that of normal ssrf because of its one way nature. The only impact it has is you can steal the internal IPs and in rare case it can lead you to RCE.
Server-Side Request Forgery (SSRF)- PortSwigger LabsThis lab has a stock check feature that fetches data from an internal system. To solve the lab, use the stock check functionality to scan the internal 192.168.0.X range for an admin interface on port 8080, then use it to delete the user carlos.
SSRF Vulnerability From a Developerā€™s PerspectiveOWASP Top 10 provides users a list of vulnerabilities in the field of application security. This list is prepared based on the severity of the occurrence of an attack, SSRF is one of them.
Letā€™s Understand SSRF vulnerabilityIn most cases, the OWASP Top 10 will publish a list of vulnerabilities. These are the broad categories that encompass the various types of vulnerabilities.
šŸ‘©ā€šŸ’»Roadmap to Cybersecurity in 2022, Full-Read SSRF, IDOR in GraphQL, GCP Pentesting, and muchā€¦Watch this talk about $25 billion+ of value, locked in the practical attacks against bridges. Welcome to the #IWWeekly28 ā€” the Monday newsletter that brings the best in Infosec straight to your inbox.
šŸ‘©ā€šŸ’» $600k Bounty, Jetty Features, Response Queue Poisoning, Bypass SSRF Protections, XSSā€¦This simple business logic flaw in smart contracts resulted in a $600K bounty. Welcome to the #IWWeekly26 ā€” the Monday newsletter that brings the best in Infosec straight to your inbox.
Exploiting XXE for SSRFServer-Side Request Forgery (SSRF):- SSRF is an attack in which an attacker can force a vulnerable server to trigger malicious requests to third-party servers and or to internal resources.
The Tale Of SSRF To RCE on .GOV DomainWelcome back, I hope everyone is well. Without further hesitation letā€™s dive into it! What is SSRF? SSRF is Server Side Request Forgery. This is a high/critical vulnerability when demonstrated with impact.
Top 25 Server-Side Request Forgery (SSRF) Bug Bounty ReportsIn this article, we will discuss the Server-Side Request Forgery (SSRF) vulnerability, and present 25 disclosed reports based on this flaw. SSRF is when you, as an attacker, successfully make the application triggering arbitrary requests.
Dark Side 108: Intro to SSRFTodayā€™s challenge demonstrated a Server-Side Request Forgery attack. As it sounds, this attack tricks a website into letting a user into the backend server supporting a public facing web application. These vulnerabilities usually exist as a result of improper error handlingā€¦
A Pentesterā€™s Guide to Server Side Request Forgery (SSRF)This blog will be one of many created alongside our Hacking How-To series, an educational video series around everyday pentest findings. The first installment will explore Server Side Request Forgery (SSRF).
AWS internal metadata accessed through SSRF by Chaining an Open Redirect bugMy name is Santosh Kumar Sha, Iā€™m a security researcher from India(Assam). In this article, I will be describing how I was able to get AWS metadata accessed through SSRF by chaining it with a open direct vulnerability This is the write of my Recent bug that i found .
SSRF payloadsThe service nip.io is awesome for that, it will convert any ip address as a dns. Allows an attacker to fetch any content from the web, it can also be used to scan ports.
How i converted SSRF TO XSS in jira.Before i start Acunetix does Subdomain scans so just set the time out to 20 and you will get a really big list with banners and response headers. (it does the half of the work for you.) Now, i een through lots of subdomains and i was specifically looking for any jira environment , and i found one.
Finding SSRF via HTML Injection inside a PDF file on AWS EC2During a recent application vulnerability assessment we found a Stored HTML Injection vulnerability that was quickly escalated to a full Server Side Request forgery (SSRF) on a AWS EC2. We test a lot of applications hosted in AWS, especially on EC2.
Blind SSRF - The Hide & Seek GameHello everyone I wanted to share one of my finding related to Blind SSRF on a private program on HackerOne for which they paid me $400. Blind SSRF vulnerabilities occur when an application is making a request to a back-end server due to some reasons but the response is not shown on the front-end.
Exploiting: SSRF For Admin AccessServer-Side Request Forgery (SSRF):- SSRF is an attack in which an attacker can force a vulnerable server to trigger malicious requests to third-party servers and or to internal resources.
Server-Side Request ForgeryServer-side request forgery, or SSRF, is a vulnerability that allows an attacker to use a vulnerable server to make HTTP requests on the attackerā€™s behalf. This is similar to CSRF as both the vulnerabilities perform HTTP requests without the victim acknowledging it.
From SSRF To RCE in PDFReacterWhat is PDFReacter? - PDFReacter is a parser which parses HTML content from HTML to PDF. While testing an application I have identified that an application is using the PDFReacter parser.
Server Side Request Forgery (SSRF) TestingWell this story is just for fun testing SSRF not a bounty write up. I found a random web that vulnerable to SSRF but in order to exploit it i should convert my input to base64. Here is the site . If i decode the base64 then i got this pacman game site http://www.top80sgames.com/site/content/pacman.
Exploiting an SSRF: Trials and TribulationsI mostly wanted to share this post not because itā€™s a novel and unique attack, but to show the thought process of attacking this particular functionality, and understanding how the system works to identify what would and would not work.
Chaining an Blind SSRF bug to Get an RCEMy name is Santosh Kumar Sha, Iā€™m a security researcher from India(Assam). In this article, I will be Discussing how I was able to get RCE by using Blind SSRF. But still there is a chance that will will missing some url.
SSRFNot all SSRF vulnerabilities return the response to the attacker. This type of SSRF is known as blind SSRF To demonstrate we will use test.smtp.org testing server.
Story of a 2.5k Bountyā€Šā€”ā€ŠSSRF on Zimbra Led to Dump All Credentials in Clear TextThis post is about how I and my friend got roughly 2500$ from Cafebazaar bug bounty program. During the recon phase, I enumerated the mailx.hezardastan.net host, the Cafebazaarā€™s webmail access. I conducted a port scanner:
My First Bug: Blind SSRF Through Profile Picture UploadHello all! This is a writeup for my first bug, an SSRF! My next writeup will most likely be about my specific approach to learning in bugbounty hunting which I hope will be massively helpful for newcomers. Feel free to follow me right here on medium, or on twitter for updates.
Story Behind Sweet SSRF.Hey everyone! I hope you all are doing well! Rohit soni is back with another write-up and this time itā€™s about critical SSRF which leads to AWS credentials disclosure. Letā€™s dive into it without wasting time.
PHP SSRF TechniquesIn this article, I want to go deep on a few SSRF techniques that you can use against a PHP script that use filters like filter_var() or preg_match() and get HTTP contents using curl or file or file_get_contents().
Story of a really cool SSRF bug.Hello all! My name is Vedant, also known as Vegeta(on twitter). Iā€™m a cybersecurity enthusiast and a bug bounty hunter. This is my first write-up of 2021. This write-up is about a SSRF vulnerability that allowed me to access the AWS metadata of the target company. So letā€™s get started,
How Github recon help me to find NINE FULL SSRF Vulnerability with AWS metadata accessMy name is Santosh Kumar Sha, Iā€™m a security researcher from India(Assam). In this article, I will be describing how I was able to to find 9 full SSRF vulnerability with AWS metadata access BY doing some GITHUB recon. Donā€™t go outside without any reason . Stay home be safe and also safe other.
Finding SSRF BY Full AutomationMy name is Santosh Kumar Sha, Iā€™m a security researcher from India(Assam). In this article, I will be describing how I was able to Find ssrf vulnerability by bu automating it and leak private information amazon metadata, ec2 and cloud services.
Reading Internal Files using SSRF vulnerabilityNeeraj SonaniyaOct 16, 20172 min readĀ·I am hunting on one private program since last 8 months, since it doesnā€™t allow disclosure i will keep organization REDACT, in requests i will use ā€˜example.comā€™ as its name.
Intro to SSRFSuccessful cyberattacks often start at the ā€œnetwork perimeterā€. As a company grows, it becomes increasingly difficult to secure the hundreds and thousands of machines on the network.
The journey of Web Cache + Firewall Bypass to SSRF to AWS credentials compromise!Hi Guys, Back with an interesting hack that I was eagerly waiting to get the writeup to publish. This hack is about a chain of vulnerabilities which includes multiple bypasses in a various different layer which finally lead to access of AWS credentials in Indiaā€™s biggest stock broker company.
$10000 Facebook SSRFā€Šā€”ā€ŠBug BountyThis is a write-up about a SSRF vulnerability I found on Facebook. The vulnerability could have allowed a malicious user to send internal requests to the Facebook corporate network.
Vimeo upload function SSRFAs you can see, It sends the file URL with google authorization to let the backend server fetch the file from the url and pass the authorization on the header to access the file from google drive.
Just Gopher It: Escalating a Blind SSRF to RCE for $15kThe bug bounty program which this vulnerability was discovered on has not allowed for public disclosure, therefore I will not be directly naming the program involved. What I can say ā€” this was discovered on the main scope of one of Hackeroneā€™s longest-running, largest bug bounty programs.
Bypassing SSRF ProtectionOk. So youā€™ve found a feature on a web application that fetches external resources. Youā€™re able to pull content from all sorts of external sites and there doesnā€™t seem to be any restrictions on the file type that you can requestā€¦ The application displays everything right back at you.
SSRF - Server Side Request Forgery (Types and ways to exploit it) Part-1What is SSRF? Server Side Request Forgery (SSRF) refers to an attack where in an attacker is able to send a crafted request from a vulnerable web application.
How i found an SSRF in Yahoo! Guesthouse (Recon Wins)As i said before sharing is caring, here i am describing one of my findings that was closed 2 weeks ago in yahoo Guesthouse https://gh.bouncer.login.yahoo.com/ and i am describing in details, how recon helped me finding a vulnerable endpoint where i achieved the SSRF.
SSRF in the WildThis is an analysis of publicly disclosed SSRF vulnerabilities. I will go into where these vulnerabilities were found, the criticality of these bugs, and the fixes implemented by the vendor after the report.
Vimeo SSRF with code execution potential.Recently I discovered a semi responded SSRF on Vimeo with code execution possibility. This blog post explains how I found & exploited it. So let's get started. Vimeo provides an API console for their API called API Playground, The requests made using this web app is done from server-side.
Multiple HTTP Redirects to Bypass SSRF ProtectionsI needed to utilize many known SSRF techniques at once to successfully exploit many endpoints in the same company. After discovering away, I applied it to all functionalities that use attacker-controlled URLs and found 2 blind and 1 full read SSRFs.
lorsrflorsrf Bruteforcing on Hidden parameters to find SSRF vulnerability using GET and POST Methods NOTE Lorsrf has been added to scant3r with useful additions (multi http method , multi content-type (json , query , xml , speed , large worlist and more)) https://github.
What is Server-Side Request Forgery (SSRF)?Server-side request forgery (SSRF) vulnerabilities let an attacker send crafted requests from the back-end server of a vulnerable web application. Criminals usually use SSRF attacks to target internal systems that are behind firewalls and are not accessible from the external network.
An overlooked parameter leads to a critical SSRF in Dropbox bug bounty programCheck out Intigriti: https://www.intigriti.com/ šŸ“§ Subscribe to BBRE Premium: https://bbre.dev/premium ($20 OFF with code BIRTHDAY) āœ‰ļø Sign up for the mailing list: https://bbre.dev/nl šŸ“£ Follow me on Twitter: https://bbre.dev/tw This video is an explanation of an SSRF found by Harsh Jaisw
This one trick will exploit URL parsers to perform SSRFIn this write up, I will be detailing my thought process and solution to the Hack the Box (HTB) web challenge: Weather App. I learned main pieces of how to do such an exploit from the presentation: A New Era of SSRF ā€” Exploiting URL Parser in Trending Programming Languages! by Orange Tsai.
SVG SSRF CheatsheetHosts that process SVG can potentially be vulnerable to SSRF, LFI, XSS, RCE because of the rich feature set of SVG. All of these methods specify a URI, which can be absolute or relative.
Capital One SSRF | Kontra
Awesome SSRF writeupsThis is currently work in progress I will add more resources as I find them.
10 Types of Web Vulnerabilities that are Often MissedDetectify Crowdsource is not your average bug bounty platform. Itā€™s an invite-only community for ethical hackers passionate about securing modern technologies and end users.
SSRF In The WildThis is an analysis of publicly disclosed SSRF vulnerabilities. I will go into where these vulnerabilities were found, the criticality of these bugs, and the fixes implemented by theĀ vendorĀ after the report.
šŸ”„ ssrf-king šŸ”„šŸ”„ ssrf-king šŸ”„ v1.
How i found 3 SSRF in one day on different bug bounty targets.My name is damanpreet singh. This is my first write-up, so please forgive me for my mistakes. So, lets start: I started bug bounties after about a year. I was only learning, still i am learning. So, some days ago i thought , now i should start to looking for bugs.
Server Side Request ForgeryServer side request forgery is one of the web vulnerabilities which allows an attacker to use the backend server to make unintended requests to the internal systems.
The journey of Web Cache + Firewall Bypass to SSRF to AWS credentials compromise!Hi Guys,Back with an interesting hack that I was eagerly waiting to get the writeup to publish. This hack is about a chain of vulnerabilities which includes multiple bypasses in a various different layer which finally lead to access of AWS credentials in Indiaā€™s biggest stock broker company.
Vimeo SSRF with code execution potential.Recently i discovered a semi responded SSRF on Vimeo with code execution possibility. This blog post explains how i found & exploited it. So lets get started. Vimeo provides an API console for their API called API Playground, The requests made using this web app is done from server side.
[bugbounty] A Simple SSRF
B-XSSRF - Toolkit To Detect And Keep Track On Blind XSS, XXE And SSRFToolkit to detect and keep track on Blind XSS, XXE & SSRF.
SSRF bible. Cheatsheet - Google Docs
B-XSSRFB-XSSRF Toolkit to detect and keep track on Blind XSS, XXE & SSRF SETUP Upload the files to your server. Create a Database and upload database.sql file to it. Change the DB Credentials in db.php file. Ready. USAGE BLIND XSS <embed src="http://mysite.com/bxssrf/request.
SSRF Vulnerability due to Sentry misconfigurationThat story happened when I saw that disclosed report. And funny thing is that I remembered that saw some Sentry requests in my BuprSuit Proxy in my current project. From that point of view, I highly recommend to not filtering Proxy history.
SVG XLink SSRF fingerprinting libraries versionSince parser is blocking SYSTEM based entities our attack surface has been limited, Now itā€™s time to test Billion Laughs attack since application allowed static entities.
AWS takeover through SSRF in JavaScriptHere is the story of a bug I found in a private bug bounty program on Hackerone. It took me exactly 12h30 -no break- to find it, exploit and report.
Into the Borg ā€“ SSRF inside Google production networkIn March 2018, I reported an XSS in Google Caja, a tool to securely embed arbitrary html/javascript in a webpage. In May 2018, after the XSS was fixed, I realised that Google Sites was using an unpatched version of Google Caja, so I looked if it was vulnerable to the XSS.
Server Side Request Forgery (SSRF)Ā TestingWell this story is just for fun testing SSRF not a bounty write up. I found a random web that vulnerable to SSRF but in order to exploit it i should convert my input to base64. Here is the site http://playfreedownloadgames.com:2483/proxy.
How I Chained 4 vulnerabilities on GitHub Enterprise, From SSRF Execution Chain to RCE!Hi, itā€™s been a long time since my last blog post. In the past few months, I spent lots of time preparing for the talk of Black Hat USA 2017 and DEF CON 25. Being a Black Hat and DEFCON speaker is part of my life goal ever. This is also my first English talk in such formal conferences.