Information disclosure in PHP - CVE-2014-2020

 

Information disclosure in PHP - CVE-2014-2020

Published: November 27, 2018


Vulnerability identifier: #VU16081
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2014-2020
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PHP Group
Affected software:
PHP

Detailed vulnerability description

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.


How to mitigate CVE-2014-2020

Install updates from vendor's website.

Sources