Input validation error in MediaWiki - CVE-2012-5395
Published: June 2, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41592
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2012-5395
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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"
Affected software
MediaWiki
How to mitigate CVE-2012-5395
Install update from vendor's website.