Improper access control in MediaWiki - CVE-2016-6336

 

Improper access control in MediaWiki - CVE-2016-6336

Published: April 20, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39170
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-6336
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated user to manipulate data.

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.


Affected software

MediaWiki
Fedora
mediawiki

How to mitigate CVE-2016-6336

Install update from vendor's website.

mediawiki - addressed in versions 1.26.4-1.fc23, 1.26.4-1.fc24, 1.27.1-1.fc25

External References

Related Security Bulletins