[ GLSA 200610-14 ] PHP: Integer overflow

[GLSA]

Gentoo Linux Security Advisory

Title: PHP: Integer overflow (GLSA 200610-14)
Severity: high
Exploitable: remote
Date: October 30, 2006
Updated: March 29, 2008
Bug(s): #150261
ID: 200610-14

Synopsis

PHP is vulnerable to an integer overflow potentially allowing the remote execution of arbitrary code.

Background

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Affected Packages

Package: dev-lang/php
Vulnerable: < 5.1.6-r6
Unaffected: >= 4.4.4-r6 < 4.4.5
Unaffected: >= 4.4.6 < 4.4.7
Unaffected: >= 4.4.7 < 4.4.8
Unaffected: >= 4.4.8_pre20070816 < 4.4.9
Unaffected: >= 5.1.6-r6
Architectures: All supported architectures


Description

A flaw in the PHP memory handling routines allows an unserialize() call to be executed on non-allocated memory due to a previous integer overflow.

Impact

An attacker could execute arbitrary code with the rights of the web server user or the user running a vulnerable PHP script.

Workaround

There is no known workaround at this time.

Resolution

All PHP 5.x users should upgrade to the latest version: