CVE-2012-5391 Auth bypass in n/a
Remote attackers can hijack user sessions in MediaWiki by exploiting a session fixation vulnerability in the login page.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2012-5391?
CVE-2012-5391 is a medium-severity authentication bypass vulnerability in Mediawiki Mediawiki, published on 2 Jun 2014. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Session fixation vulnerability in Special:UserLogin in 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 session_id.
Which versions are affected by CVE-2012-5391?
It affects 1 product.
Products include Mediawiki Mediawiki.
How do I fix CVE-2012-5391?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2012-5391 being exploited?
There is no known exploitation of CVE-2012-5391 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as DEBIAN-CVE-2012-5391, GHSA-3wxc-gqjr-6mh6.