CVE-2020-25827
First published: Sun Sep 27 2020(Updated: )
An issue was discovered in the OATHAuth extension in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. For Wikis using OATHAuth on a farm/cluster (such as via CentralAuth), rate limiting of OATH tokens is only done on a single site level. Thus, multiple requests can be made across many wikis/sites concurrently.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/mediawiki/core | >=1.31.0<1.31.9>=1.34.0<1.34.3 | |
| 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 | |
| composer/mediawiki/core | >=1.32.0<1.34.3 | 1.34.3 |
| composer/mediawiki/core | >=1.31.0<1.31.9 | 1.31.9 |
| MediaWiki | <1.31.10 | |
| MediaWiki | >=1.32.0<1.34.4 | |
| Red Hat Fedora | =33 |
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Reference Links
- https://phabricator.wikimedia.org/T251661
- https://lists.wikimedia.org/pipermail/wikitech-l/2020-September/093888.html
- https://security-tracker.debian.org/tracker/CVE-2020-25827
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
- https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
- https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-25827
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25827.yaml
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- https://github.com/advisories/GHSA-rqvj-fc2x-99q6 (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
Frequently Asked Questions
What is the severity of CVE-2020-25827?
CVE-2020-25827 has been assigned a moderate severity rating due to its potential for OATH token abuse.
How do I fix CVE-2020-25827?
To fix CVE-2020-25827, upgrade to MediaWiki version 1.31.10, 1.34.4, or any later version.
Which versions of MediaWiki are affected by CVE-2020-25827?
CVE-2020-25827 affects MediaWiki versions from 1.31.0 to 1.31.9 and 1.34.0 to 1.34.3.
Does CVE-2020-25827 affect all installations of MediaWiki?
CVE-2020-25827 specifically affects MediaWiki instances using the OATHAuth extension in a farm or cluster setup.
What are the risks associated with CVE-2020-25827?
The risk associated with CVE-2020-25827 includes susceptibility to rate limiting bypass which could lead to unauthorized access.
- collector/friends-of-php
- collector/security-tracker-debian
- agent/type
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- package-manager/composer
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