[ GLSA 201502-04 ] MediaWiki

[GLSA]

Gentoo Linux Security Advisory

Title: MediaWiki: Multiple vulnerabilities (GLSA 201502-04)
Severity: high
Exploitable: remote
Date: February 07, 2015
Bug(s): #498064, #499632, #503012, #506018, #515138, #518608, #523852, #524364, #532920
ID: 201502-04

Synopsis

Multiple vulnerabilities have been found in MediaWiki, the worst of
which may allow remote attackers to execute arbitrary code.


Background

MediaWiki is a collaborative editing software used by large projects
such as Wikipedia.


Affected Packages

Package: www-apps/mediawiki
Vulnerable: < 1.23.8
Unaffected: >= 1.23.8
Unaffected: >= 1.22.15 < 1.22.16
Unaffected: >= 1.19.23 < 1.19.24
Architectures: All supported architectures


Description

Multiple vulnerabilities have been discovered in MediaWiki. Please
review the CVE identifiers and MediaWiki announcement referenced below
for details.


Impact

A remote attacker may be able to execute arbitrary code with the
privileges of the process, create a Denial of Service condition, obtain
sensitive information, bypass security restrictions, and inject arbitrary
web script or HTML.


Workaround

There is no known workaround at this time.

Resolution

All MediaWiki 1.23 users should upgrade to the latest version: