Bug 1903770 (CVE-2020-25869)

Summary: CVE-2020-25869 mediawiki: handling of actor ID does not necessarily use the correct database or correct wiki leads to information disclosure
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: aos-bugs, Axel.Thimm, bmontgom, eparis, jburrell, jokerman, mike, nstielau, puiterwijk, shurley, sponnaga
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: mediawiki-1.34.4, mediawiki-1.31.10 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-12-07 17:02:54 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1903771    
Bug Blocks: 1903781    

Description Dhananjay Arunesh 2020-12-02 18:31:38 UTC 
An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.

References:
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
https://phabricator.wikimedia.org/T260485
Comment 1 Dhananjay Arunesh 2020-12-02 18:31:59 UTC 
Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 1903771]
Comment 2 Przemyslaw Roguski 2020-12-07 16:23:43 UTC 
Upstream commit:
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/629733
Comment 4 Przemyslaw Roguski 2020-12-07 16:23:48 UTC 
External References:

https://phabricator.wikimedia.org/T260485
Comment 5 Przemyslaw Roguski 2020-12-07 16:52:54 UTC 
Statement:

OpenShift Container Platform (OCP)  delivers the mediawiki package, but the vulnerable code is not bundled, therefore OCP is not affected by this flaw.
Comment 6 Product Security DevOps Team 2020-12-07 17:02:54 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-2020-25869