CVE-2016-6336 Missing authorization in n/a
Authenticated users with undelete permissions can bypass revision deletion restrictions to remove deletion status of arbitrary file revisions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6336?
CVE-2016-6336 is a medium-severity missing authorization vulnerability in Mediawiki Mediawiki, published on 20 Apr 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote authenticated users with undelete permissions to bypass intended suppressrevision and deleterevision restrictions and remove the revision deletion status of arbitrary file revisions by using Special:Undelete.
Weakness: CWE-284
Which versions are affected by CVE-2016-6336?
It affects 1 product.
Products include Mediawiki Mediawiki.
How do I fix CVE-2016-6336?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2016-6336 being exploited?
There is no known exploitation of CVE-2016-6336 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as DEBIAN-CVE-2016-6336, GHSA-p684-q58j-rxcq.