Heap-based buffer overflow in PHP - CVE-2013-7226
Published: November 27, 2018 / Updated: November 27, 2018
Vulnerability identifier: #VU16066
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2013-7226
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
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.
How to mitigate CVE-2013-7226
Install update from vendor's website.