Bug 2036702 (CVE-2021-44857) - CVE-2021-44857 mediawiki: information disclosure and manipulation possible under specific conditions
Summary: CVE-2021-44857 mediawiki: information disclosure and manipulation possible un...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2021-44857
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2036703
Blocks: 2036706
TreeView+ depends on / blocked
 
Reported: 2022-01-03 15:54 UTC by Marian Rehak
Modified: 2022-01-07 17:53 UTC (History)
11 users (show)

Fixed In Version: mediawiki 1.35.5, mediawiki 1.36.3, mediawiki 1.37.1
Clone Of:
Environment:
Last Closed: 2022-01-07 16:40:37 UTC
Embargoed:

Attachments (Terms of Use)

Description Marian Rehak 2022-01-03 15:54:00 UTC 
It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.

Upstream Reference:

https://www.mediawiki.org/wiki/2021-12_security_release/FAQ
Comment 1 Marian Rehak 2022-01-03 15:54:20 UTC 
Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 2036703]
Comment 2 Product Security DevOps Team 2022-01-07 16:40:35 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-44857
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