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Re: [Full-disclosure] AOL YGP Picture Editor YGPPicEdit.dll Multiple Buffer Overflows

From: <Valdis.Kletnieks_at_nospam>
Date: Wed Dec 26 2007 - 06:28:52 GMT
To: reepex <reepex@gmail.com>

On Tue, 25 Dec 2007 21:53:29 CST, reepex said:

> How does a bunch of 'A's prove something is exploitable?

If a bunch of A's causes the EIP to end up as x'41414141', it's 95% of the way to being an exploit. If it gets you some *other* crash, it's probably at least 30% to 40% of the way to an exploit.

Go back and read the analysis of the NTP buffer overflow from a number of years back. Truly a classic - they managed to leverage a *one byte* overflow into a complete and total rooting of the box.

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