Input validation error in MediaWiki - CVE-2012-5395

 

Input validation error in MediaWiki - CVE-2012-5395

Published: June 2, 2014 / Updated: August 10, 2020


Vulnerability identifier: #VU41592
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-5395
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: MediaWiki.org
Affected software:
MediaWiki

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Session fixation vulnerability in the CentralAuth extension for MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the centralauth_Session cookie. Per: http://cwe.mitre.org/data/definitions/384.html "CWE-384: Session Fixation"


How to mitigate CVE-2012-5395

Install update from vendor's website.

Sources