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/
