Re: New Source Code Vulnerability Scanner (Free 30 Day Trial)

[Georgi Guninski <guninski () guninski com>]

On Fri, Dec 03, 2010 at 01:46:56AM -0800, Michal Zalewski wrote:
> > grep -r ACIDBITCHES *
>
> This code has two very obvious detection bypass vulnerabilities:
>
> 1) It fails to scan dotfiles in the starting directory,
>
> 2) It can be tricked into not producing any output by creating a file
> named "-q" in the starting dir.
>
> Let me fire up my vulnerability research whitepaper generator.
>
> /mz

implementation issues aside, are the theoretic foundations of the scanner correct?

some points.

1. analyzing the grep(1) codebase. what if grep has anti-scanning backdoor - like a compiler backdoor?

2. the scanner reproducibly reports backdoors in /dev/urandom - it is
even not an .EXE!

-- 
joro

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/