CVE-2023-45363: High severity mediawiki vulnerability

Published Oct 9, 2023
·
Updated

An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.

Affected Software

9 affected componentsFixes available
debian/mediawiki<=1:1.31.16-1+deb10u2, <=1:1.35.11-1~deb11u1
1:1.31.16-1+deb10u71:1.35.13-1~deb11u11:1.39.5-1~deb12u11:1.39.5-1
composer/mediawiki/core=1.40.0
1.40.1
composer/mediawiki/core>=1.36.0<1.39.5
1.39.5
composer/mediawiki/core<1.35.12
1.35.12
MediaWiki MediaWiki<1.35.12
MediaWiki MediaWiki>=1.36.0<1.39.5
MediaWiki MediaWiki=1.40.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0

Event History

Oct 9, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Advisory Published
via GitHub·06:30 AM

Frequently Asked Questions

1

What is the severity of CVE-2023-45363?

The severity of CVE-2023-45363 is high (CVSS 7.5).

2

How does CVE-2023-45363 affect MediaWiki?

CVE-2023-45363 affects MediaWiki versions before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1.

3

What is the impact of CVE-2023-45363?

CVE-2023-45363 allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and conv.

4

How can I fix CVE-2023-45363?

To fix CVE-2023-45363, upgrade to MediaWiki version 1.35.12, 1.39.5, or 1.40.1 depending on your installed version.

5

Are there any references related to CVE-2023-45363?

Yes, you can find references related to CVE-2023-45363 at the following links: [link1](https://phabricator.wikimedia.org/T333050), [link2](https://www.debian.org/security/2023/dsa-5520), [link3](https://security-tracker.debian.org/tracker/CVE-2023-45363).

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