MediaWiki up to 1.39.4/1.40.0 Deleted Revision Article.php permission

Summaryinfo

A vulnerability classified as critical has been found in MediaWiki up to 1.39.4/1.40.0. This vulnerability affects unknown code of the file includes/page/Article.php of the component Deleted Revision Handler. The manipulation leads to permission. This vulnerability is documented as CVE-2023-45364. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.39.4/1.40.0 (Content Management System). It has been rated as critical. This issue affects some unknown processing of the file includes/page/Article.php of the component Deleted Revision Handler. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality. The summary by CVE is:

An issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveals that a given revision ID belonged to the given page title, and its timestamp, both of which are not supposed to be public information.

The weakness was released 10/09/2023. The advisory is shared at phabricator.wikimedia.org. The identification of this vulnerability is CVE-2023-45364 since 10/09/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

By approaching the search of inurl:includes/page/Article.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 245202 (Linux Distros Unpatched Vulnerability : CVE-2023-45364), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.39.5 or 1.40.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (245202) and EUVD (EUVD-2023-49656). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Content Management System

Name

• MediaWiki

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.39.0
• 1.39.1
• 1.39.2
• 1.39.3
• 1.39.4
• 1.40.0

License

• open-source

Website

• Product: https://www.mediawiki.org/wiki/MediaWiki

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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• 🔍
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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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