Heap-based buffer overflow in PHP - CVE-2013-7226
Published: November 27, 2018 / Updated: November 27, 2018
Vulnerability identifier: #VU16066
CSH Severity: Medium
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-7226
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in the gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9. A remote attacker can use an imagecrop function call with a large x dimension value to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
PHP
Gentoo Linux
Amazon Linux AMI
php5 (Ubuntu package)
dev-lang/php
Gentoo Linux
Amazon Linux AMI
php5 (Ubuntu package)
dev-lang/php
How to mitigate CVE-2013-7226
Install update from vendor's website.
PHP - update to 5.5.9
php5 (Ubuntu package) - addressed in versions 5.3.2-1ubuntu4.23, 5.3.10-1ubuntu3.10
dev-lang/php - update to 5.5.16
php5 (Ubuntu package) - addressed in versions 5.3.2-1ubuntu4.23, 5.3.10-1ubuntu3.10
dev-lang/php - update to 5.5.16