CVE-2021-45038

Publication date 17 December 2021

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. By using an action=rollback query, attackers can view private wiki contents.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
mediawiki	22.04 LTS jammy	Not affected
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not affected

Notes

sbeattie

include upstream dda5355c0ee804c94ff371a8a16c4a2a8e4436bd as a prerequisite to the fix for this CVE to make it apply more cleanly. introduced in 0a8403271109 (v1.33.0)

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
mediawiki	Upstream: 03d5b27

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N