Triggering deep vulnerabilities using symbolic execution
Posted on 08 January 2014.
Symbolic Execution (SE) is a powerful way to analyze programs. Instead of using concrete data values SE uses symbolic values to evaluate a large set of parallel program paths at once.

A drawback of many systems is that they need source code access and only scale to few lines of code.

This talk from the 30th Chaos Communication Congress explains how SE and binary analysis can be used to reverse-engineer components of binary only applications and construct specific concrete input that triggers a given condition deep inside the application (think of defining an error condition and the SE engine constructs the input to the application that triggers the error).






Spotlight

Lessons learned developing Lynis, an open source security auditing tool

Posted on 15 October 2014.  |  Lynis unearths vulnerabilities, configuration errors, and provides tips for system hardening. It is written in shell script, installation is not required and can be performed with a privileged or non-privileged account.


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