CVE-2021-30158
First published: Tue Apr 06 2021(Updated: )
An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user might have accidentally shared a token, or might know that a token has been compromised, and yet is not able to block any potential future use of the token by an unauthorized party.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/mediawiki | 1:1.31.16-1+deb10u2 1:1.31.16-1+deb10u6 1:1.35.11-1~deb11u1 1:1.35.13-1~deb11u1 1:1.39.4-1~deb12u1 1:1.39.5-1~deb12u1 1:1.39.5-1 | |
| Wikimedia MediaWiki | <1.31.12 | |
| Wikimedia MediaWiki | >=1.32.0<1.35.2 | |
| Debian GNU/Linux | =9.0 | |
| Debian GNU/Linux | =10.0 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://phabricator.wikimedia.org/T277009
- https://gerrit.wikimedia.org/r/c/mediawiki/core/+/670546
- https://security-tracker.debian.org/tracker/CVE-2021-30158
- https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html
- https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/
- https://security.gentoo.org/glsa/202107-40
- https://www.debian.org/security/2021/dsa-4889
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/
Frequently Asked Questions
What is the severity of CVE-2021-30158?
CVE-2021-30158 has a security relevance as it affects the ability of blocked users to reset tokens.
How do I fix CVE-2021-30158?
To fix CVE-2021-30158, upgrade MediaWiki to version 1.31.12 or 1.35.2 or later.
What versions of MediaWiki are affected by CVE-2021-30158?
CVE-2021-30158 affects MediaWiki versions before 1.31.12 and from 1.32.0 up to but not including 1.35.2.
Is CVE-2021-30158 a critical vulnerability?
CVE-2021-30158 may not be classified as critical, but it poses a risk related to token compromise for blocked users.
Who is affected by CVE-2021-30158?
CVE-2021-30158 affects users of MediaWiki who have been blocked from using Special:ResetTokens.
- collector/security-tracker-debian
- agent/type
- agent/weakness
- agent/severity
- agent/author
- agent/remedy
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/mediawiki
- canonical/wikimedia mediawiki
- version/wikimedia mediawiki/1.32.0
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/9.0
- version/debian gnu/linux/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34