full-disclosure - Re: help analysing asn overflow

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Message-ID: <4421.1190403521@turing-police.cc.vt.edu>
Date: Fri, 21 Sep 2007 15:38:41 -0400
From: Valdis.Kletnieks@...edu
To: Code Breaker <cbreaker@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: help analysing asn overflow

On Sat, 22 Sep 2007 00:49:30 +0530, Code Breaker said:

> i am trying to analyse the old asn integer overflow.Can anyone guide me
> towards right direction?which function contains the vulnerable code?is it
> asn1_decode?

It's not "the old asn integer", it's "one of the old asn integer"...

There were about a zillion and a half different places in that code that
were exploitable, because actual error checking was, like, a foreign language
to that crew when they wrote it originally.

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