Thanks for the clarification Vladis. To me the A's are kind of like the UV dye that they put in an AC system when looking for leaks...
Elazar -----Original Message----- >From: [EMAIL PROTECTED] >Sent: Dec 26, 2007 1:28 AM >To: reepex <[EMAIL PROTECTED]> >Cc: Elazar Broad <[EMAIL PROTECTED]>, [email protected] >Subject: Re: [Full-disclosure] AOL YGP Picture Editor YGPPicEdit.dll Multiple >Buffer Overflows > >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. _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
