Bug 1826079 (CVE-2020-10959)

Summary:	CVE-2020-10959 mediawiki: user content can redirect the logout button to different URL
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	Axel.Thimm, bmontgom, eparis, jburrell, mike, nstielau, shurley, sponnaga
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	mediawiki-1.34.0	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in MediaWiki, where an attacker can control the MediaWiki logout redirect URL. This flaw allows an attacker with the ability to create wiki pages, to change the logout URL that a user is redirected to when logging out.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	1826080, 1827452, 1827453
Bug Blocks:	1826082

Description Guilherme de Almeida Suckevicz 2020-04-20 20:03:48 UTC

User content can redirect the logout button to different URL.

Reference:
https://phabricator.wikimedia.org/T232932

Comment 1 Guilherme de Almeida Suckevicz 2020-04-20 20:04:05 UTC

Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 1826080]

Comment 2 Jason Shepherd 2020-04-21 05:57:25 UTC

Release nodes:
https://lists.wikimedia.org/pipermail/wikitech-l/2020-March/093243.html

Comment 3 Jason Shepherd 2020-04-24 00:14:15 UTC

Statement:

The MediaWiki Ansible playbook has been removed from OpenShift Container Platform in version 4.3 and later.