SB2022101001 - Multiple vulnerabilities in MediaWiki

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Main Vulnerability Database SB2022101001

SB2022101001 - Multiple vulnerabilities in MediaWiki

Published: October 10, 2022

Security Bulletin ID SB2022101001
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2022-41767)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the "reassignEdits" does not update results in an IP range check on Special:Contributions.


2) Information disclosure (CVE-ID: CVE-2022-41765)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the "HTMLUserTextField" exposes existence of hidden users. A remote attacker can gain unauthorized access to sensitive information on the system.


3) Information disclosure (CVE-ID: CVE-2022-41766)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to on action=rollback the message "alreadyrolled" can leak revision deleted user name. A remote attacker can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.

References