SB2017122906 - Improper access control in MediaWiki MediaWiki



SB2017122906 - Improper access control in MediaWiki MediaWiki

Published: December 29, 2017 Updated: July 17, 2020

Security Bulletin ID SB2017122906
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper access control (CVE-ID: CVE-2015-8008)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The OAuth extension for MediaWiki improperly negotiates a new client token only over Special:OAuth/initiate, which allows attackers to bypass intended IP address access restrictions by making an API request with an existing token.


Remediation

Install update from vendor's website.