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

Dulliengmx.de
Date: Thu Mar 27 2003 - 17:57:41 CST

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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,
dulliengmx.de

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