bugtraq - Re: @(#)Mordred Labs advisory - Integer overflow in PHP memory allocator

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Message-ID: <27636.1048809461@www17.gmx.net>
Date: Fri, 28 Mar 2003 00:57:41 +0100 (MET)
From: Dullien@....de
To: Sir Mordred <mordred@...ail.com>
Subject: Re: @(#)Mordred Labs advisory - Integer overflow in PHP memory allocator


Hey Mr. Mordred, all,

> In PHP emalloc() function implements the error safe wrapper around
> malloc().
> Unfortunately this function suffers from an integer overflow and
> considering the fact that emalloc() is used in many places around PHP
> source code, it may lead to many serious security issues.

IIRC this bug was mentioned in a talk at last summers Black Hat conference.

http://www.blackhat.com/html/bh-usa-02/bh-usa-02-speakers.html#Dowd

Cheers,
dullien@....de

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