Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

Fedora 22: MediaWiki Security Update 1.24.2 Moderate: DoS and XSS Fixes

fedora
Calendar Grey April 21, 2015
Dist Fedora Esm H88
Fedora 22's MediaWiki security patch addresses several vulnerabilities aimed at bolstering defenses against DoS and XSS threats.
Changes since 1.24.1 * (bug T85848, bug T71210) SECURITY: Don't parse XMP blocks that contain XML entities, to prevent various DoS attacks

Summary

MediaWiki is the software used for Wikipedia and the other Wikimedia

Foundation websites. Compared to other wikis, it has an excellent

range of features and support for high-traffic websites using multiple

servers

This package supports wiki farms. Read the instructions for creating wiki

instances under /usr/share/doc/mediawiki/README.RPM.

Remember to remove the config dir after completing the configuration.

Update Information:

Changes since 1.24.1

* (bug T85848, bug T71210) SECURITY: Don't parse XMP blocks that contain XML entities, to prevent various DoS attacks. * (bug T85848) SECURITY: Don't allow directly calling Xml::isWellFormed, to reduce likelihood of DoS. * (bug T88310) SECURITY: Always expand xml entities when checking SVG's. * (bug T73394) SECURITY: Escape > in Html::expandAttributes to prevent XSS. * (bug T85855) SECURITY: Don't execute another user's CSS or JS on preview. * (bug T64685) SECURITY: Allow setting maximal password length to prevent DoS when using PBKDF2. * (bug T85349, bug T85850, bug T86711) SECURITY: Multiple issues fixed in SVG filtering to prevent XSS and protect viewer's privacy. * Fix case of SpecialAllPages/SpecialAllMessages in SpecialPageFactory to fix loading these special pages when $wgAutoloadAttemptLowercase is false. * (bug T70087) Fix Special:ActiveUsers page for installations using PostgreSQL. * (bug T76254) Fix deleting of pages with PostgreSQL. Req...

Read the Full Advisory

Change Log

References


[ 1 ] Bug #1208072 - mediawiki: mediawiki: security issues fixed in the 1.24.2, 1.23.9, and 1.19.24 releases https://bugzilla.redhat.com/show_bug.cgi?id=1208072

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update mediawiki' at the command line. For more information, refer to "Managing Software with yum", available at .

Name: mediawiki
Product: Fedora 22
Version: 1.24.2
Release: 1.fc22
Summary: A wiki engine

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here