CVE-2023-45367
First published: Mon Oct 09 2023(Updated: )
An issue was discovered in the CheckUser extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. A user can use a rest.php/checkuser/v0/useragent-clienthints/revision/ URL to store an arbitrary number of rows in cu_useragent_clienthints, leading to a denial of service.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MediaWiki MediaWiki | <1.35.12 | |
| MediaWiki MediaWiki | >=1.36.0<1.39.5 | |
| MediaWiki MediaWiki | =1.40.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-45367.
What is the severity of CVE-2023-45367?
The severity of CVE-2023-45367 is medium.
Which software versions are affected by CVE-2023-45367?
MediaWiki versions before 1.35.12, 1.36.x through 1.39.5, and 1.40.x before 1.40.1 are affected by CVE-2023-45367.
What is the impact of CVE-2023-45367?
CVE-2023-45367 allows a user to store an arbitrary number of rows, leading to a denial of service and potential data corruption.
Is there a fix available for CVE-2023-45367?
Yes, upgrading to MediaWiki versions 1.35.12, 1.39.5, or 1.40.1 will resolve the vulnerability.
- agent/references
- agent/event
- agent/severity
- agent/author
- agent/type
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-api
- vendor/mediawiki
- canonical/mediawiki mediawiki
- version/mediawiki mediawiki/1.36.0
- version/mediawiki mediawiki/1.40.0