Information disclosure in PHP - CVE-2014-2020
Published: November 27, 2018
Vulnerability identifier: #VU16081
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-2020
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to ext/gd/gd.c in PHP 5.5.x before 5.5.9 does not check data types. A remote attacker can use a (1) string or (2) array data type in place of a numeric data type, as demonstrated by an imagecrop function call with a string for the x dimension value and obtain sensitive information.
Affected software
PHP
php5 (Ubuntu package)
php5 (Ubuntu package)
How to mitigate CVE-2014-2020
Install updates 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
php5 (Ubuntu package) - addressed in versions 5.3.2-1ubuntu4.23, 5.3.10-1ubuntu3.10