Stack-based buffer overflow in PHP - CVE-2010-4698

Vulnerability identifier: #VU45431

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2010-4698

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a large number of anti-aliasing steps in an argument to the imagepstext function. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

PHP
Gentoo Linux
Ubuntu
php5-common (Ubuntu package)
php5-cli (Ubuntu package)
php5 (Ubuntu package)
php-pear (Ubuntu package)
php5-gd (Ubuntu package)
libapache2-mod-php5 (Ubuntu package)
php5-curl (Ubuntu package)
php5-cgi (Ubuntu package)
php5-dev (Ubuntu package)
php5-intl (Ubuntu package)
dev-lang/php

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

php5-common (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
php5-cli (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
php5 (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
php-pear (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
php5-gd (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
libapache2-mod-php5 (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
php5-curl (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
php5-cgi (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
php5-dev (Ubuntu package) - addressed in versions 5.1.2-1ubuntu3.22, 5.2.4-2ubuntu5.15, 5.2.10.dfsg.1-2ubuntu6.9, 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
php5-intl (Ubuntu package) - addressed in versions 5.3.2-1ubuntu4.8, 5.3.3-1ubuntu9.4, 5.3.5-1ubuntu7.1
dev-lang/php - update to 5.3.8

• http://bugs.php.net/53492
• http://marc.info/?l=bugtraq&m=133469208622507&w=2
• http://seclists.org/fulldisclosure/2010/Dec/180
• http://www.php.net/ChangeLog-5.php
• http://www.securityfocus.com/bid/45338
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11939

• Multiple vulnerabilities in PHP
• Gentoo update for PHP
• Ubuntu update for php5