MediaWiki up to 1.31.10/1.32.x/1.34.3 Special:UserRights Page User information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, has been found in MediaWiki up to 1.31.10/1.32.x/1.34.3. The impacted element is an unknown function of the component Special:UserRights Page. This manipulation causes information disclosure (User). This vulnerability is tracked as CVE-2020-25813. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in MediaWiki up to 1.31.10/1.32.x/1.34.3 (Content Management System). Affected by this vulnerability is an unknown functionality of the component Special:UserRights Page. The manipulation with an unknown input leads to a information disclosure vulnerability (User). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, Special:UserRights exposes the existence of hidden users.

The weakness was disclosed 09/27/2020 (Website). The advisory is shared at lists.wikimedia.org. This vulnerability is known as CVE-2020-25813 since 09/23/2020. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 1.31.11 or 1.34.4 eliminates this vulnerability.

The entries VDB-162036, VDB-162038, VDB-162039 and VDB-162040 are pretty similar. 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
• 1.31.0
• 1.31.1
• 1.31.2
• 1.31.3
• 1.31.4
• 1.31.5
• 1.31.6
• 1.31.7
• 1.31.8
• 1.31.9
• 1.31.10
• 1.32
• 1.34.0
• 1.34.1
• 1.34.2
• 1.34.3

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

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