MediaWiki up to 1.35.4/1.36.2/1.37.0 REST API information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, has been found in MediaWiki up to 1.35.4/1.36.2/1.37.0. This vulnerability affects unknown code of the component REST API. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2021-44854. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.35.4/1.36.2/1.37.0 (Content Management System). It has been rated as problematic. This issue affects an unknown functionality of the component REST API. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. The REST API publicly caches results from private wikis.

The weakness was released 12/26/2022. It is possible to read the advisory at phabricator.wikimedia.org. The identification of this vulnerability is CVE-2021-44854 since 12/13/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 246987 (Linux Distros Unpatched Vulnerability : CVE-2021-44854), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.35.5, 1.36.3 or 1.37.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (246987). Be aware that VulDB is the high quality source for vulnerability data.

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
• 1.35.0
• 1.35.1
• 1.35.2
• 1.35.3
• 1.35.4
• 1.36
• 1.36.0
• 1.36.1
• 1.36.2
• 1.37.0

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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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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