CVE-2016-6337 Auth bypass in n/a
Remote attackers can bypass session access restrictions in MediaWiki by exploiting a flaw in user rights retrieval logic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6337?
CVE-2016-6337 is a high-severity authentication bypass vulnerability in Mediawiki Mediawiki, published on 20 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MediaWiki 1.27.x before 1.27.1 might allow remote attackers to bypass intended session access restrictions by leveraging a call to the UserGetRights function after Session::getAllowedUserRights.
Weakness: CWE-284
Which versions are affected by CVE-2016-6337?
It affects 1 product.
Products include Mediawiki Mediawiki.
How do I fix CVE-2016-6337?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2016-6337 being exploited?
There is no known exploitation of CVE-2016-6337 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as DEBIAN-CVE-2016-6337, GHSA-3c2m-8jfj-576j.