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

From: Dullien@gmx.de
Date: 03/28/03

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    Date: Fri, 28 Mar 2003 00:57:41 +0100 (MET)
From: Dullien@gmx.de
To: Sir Mordred <mordred@s-mail.com>

    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@gmx.de 

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