Full Disclosure mailing list archives
Re: MySQL (Linux) Heap Based Overrun PoC Zeroday
From: Jeffrey Walton <noloader () gmail com>
Date: Sat, 1 Dec 2012 16:56:42 -0500
Hi Kingcope, # As seen below $edx and $edi are fully controlled, # the current instruction is # => 0x83a6b24 <free_root+180>: mov (%edx),%edi # this means we landed in a place where 4 bytes can be controlled by 4 bytes # with this function pointers and GOT entries can be rewritten to execute arbritrary code Out of curiosity, is this exploitable when using hardened toolchain settings? Specifically, -z,noexecheap, -z,now, and -z,relro? For no-exec heaps., you need to be on Gentoo or other platforms which offer the remediation. Jeff On Sat, Dec 1, 2012 at 4:26 PM, king cope <isowarez.isowarez.isowarez () googlemail com> wrote:
(see attachment) Cheerio, Kingcope _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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Current thread:
- MySQL (Linux) Heap Based Overrun PoC Zeroday king cope (Dec 01)
- Re: MySQL (Linux) Heap Based Overrun PoC Zeroday Jeffrey Walton (Dec 01)
- Re: MySQL (Linux) Heap Based Overrun PoC Zeroday king cope (Dec 02)
- Re: MySQL (Linux) Heap Based Overrun PoC Zeroday Jeffrey Walton (Dec 02)
- Re: MySQL (Linux) Heap Based Overrun PoC Zeroday king cope (Dec 02)
- Re: MySQL (Linux) Heap Based Overrun PoC Zeroday Kurt Seifried (Dec 02)
- Re: MySQL (Linux) Heap Based Overrun PoC Zeroday Kurt Seifried (Dec 02)
- Re: MySQL (Linux) Heap Based Overrun PoC Zeroday Jeffrey Walton (Dec 01)