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

Joshua Levitsky wrote:
> On Thu, Jan 7, 2010 at 7:20 PM, Maksymilian Arciemowicz
> <cxib@securityreason.com <mailto:cxib@securityreason.com>> wrote:
>
> [ MacOS X 10.5/10.6 libc/strtod(3) buffer overflow ]
>
> Author: Maksymilian Arciemowicz and sp3x
> http://SecurityReason.com
>
> CVE: CVE-2009-0689
> CWE: CWE-119
> Risk: High
> Remote: Yes
>
>
> I tested doing "printf %1.262159f 1.1" in a shell login on 10.4.11 and
> it took out my session. I imagine this means 10.4.11 is vulnerable as
> well no? Tiger is still very popular in enterprise environments that are
> slow to upgrade.
>
> --
> 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]
>

Could you check perl PoC ?
It should overwrite esi and edi register

esi=0x41414141
edi=15 -- Best Regards, ------------------------ pub 1024D/A6986BD6 2008-08-22 uid Maksymilian Arciemowicz (cxib) <cxib@securityreason.com> sub 4096g/0889FA9A 2008-08-22 http://securityreason.com http://securityreason.com/key/Arciemowicz.Maksymilian.gpg

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

• This message: [ Message body ]
• Next message: Maksymilian Arciemowicz: "Re: [Full-disclosure] MacOS X 10.5/10.6 libc/strtod(3) buffer overflow"
• Previous message: security_at_nospam: "[Full-disclosure] [ MDVSA-2010:002 ] pidgin"
• In reply to: Joshua Levitsky: "Re: [Full-disclosure] MacOS X 10.5/10.6 libc/strtod(3) buffer overflow"
• Next in thread: Joshua Levitsky: "Re: [Full-disclosure] MacOS X 10.5/10.6 libc/strtod(3) buffer overflow"
• Reply: Joshua Levitsky: "Re: [Full-disclosure] MacOS X 10.5/10.6 libc/strtod(3) buffer overflow"

• Contemporary messages sorted: [ By Date ] [ By Thread ] [ By Subject ] [ By Author ]