LinkedIn Cross-Site-Scripting (XSS) & Content Spoofing Vulnerability

Couple of days back, I reported XSS and Content Spoofing on LinkedIn. Here are the details of the issues. Cross Site Scripting: What is Cross Site Scripting? XSS (Cross-site Scripting) allows an attacker to execute a dynamic script (Javascript, VbScript) in the context of the application. This allows several different attack opportunities, mostly hijacking the current session […]

File Fuzzing Using Minifuzz

What is Fuzzing? Fuzz testing is a testing technique that provides malicious input to the application. Fuzz testing is crashes, assertion failures, and memory leaks when program fails to handle the malicious input. Fuzz testing identifies vulnerabilities which are severe in nature. The typical fuzzing checks the application for buffer overflow, format string vulnerability which […]

Identifying Security Flaws With Code Analysis Tool (CAT.NET)

Code Analysis Tool (CAT.NET) is a binary source code analysis tool that helps in identifying common security flaws in managed code. These vulnerabilities are listed in the below table. Vulnerability Description Cross Site Scripting(XSS) XSS vulnerability allows an attacker to inject a malicious HTML Code or Scripts which gets executed in the Client’s browser. A successful XSS […]

Authorization Bypass on LinkedIn

Summary: LinkedIn has a feature called Project wherein you can add project members from your connections. We were able to discover a way to view a LinkedIn member’s project even if he/she is not one of our connections. We were also able to create a new project and add other LinkedIn members to it without […]