Bug 2036704 (CVE-2021-45038)

Summary:	CVE-2021-45038 mediawiki: information disclosure
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	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 1.35.5, mediawiki 1.36.3, mediawiki 1.37.1	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in mediawiki. The "rollback" feature (action=rollback) could be passed a specially crafted parameter that allowed an attacker to view the contents of arbitrary pages, regardless of whether they had permissions to do so.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-01-07 16:41:11 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:	2036705
Bug Blocks:	2036706

Description Marian Rehak 2022-01-03 15:56:00 UTC

By using an action=rollback query, attackers can view private wiki contents.

Upstream Reference:

https://www.mediawiki.org/wiki/2021-12_security_release/FAQ

Comment 1 Marian Rehak 2022-01-03 15:56:16 UTC

Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 2036705]

Comment 2 Product Security DevOps Team 2022-01-07 16:41:08 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-2021-45038