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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Sat, 4 Dec 2010 14:26:08 +0200
From: Georgi Guninski <guninski@...inski.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: New Source Code Vulnerability Scanner (Free
 30 Day Trial)

On Sat, Dec 04, 2010 at 12:53:11PM +0100, netinfinity wrote:
> I was thinking about another way to possible bypass this code.
> 
> POC:
> 
> grep -fruit
> 
> will trick the system into thinking it is a fruit thus crashing because of
> stackoverflow and juice overflow.
> 
> 
>
the issue you describe is documented in the grep man page:

Known Bugs

In addition, certain other obscure regular expressions require exponential time and space, and may cause grep to  run  out  of memory.

ls -lth /proc/kcore 
-r-------- 1 root root 128T 2010-12-04 14:21 /proc/kcore # *T*

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