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Fedora 20 : mediawiki-1.23.9-1.fc20 (2015-5569)

high Nessus Plugin ID 82877

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Synopsis

The remote Fedora host is missing a security update.

Description

Changes since 1.23.8

 - (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 T85349, bug T85850, bug T86711) SECURITY:
 Multiple issues fixed in SVG filtering to prevent XSS and protect viewer's privacy.

 - (bug T70087) Fix Special:ActiveUsers page for installations using PostgreSQL.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected mediawiki package.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=1208072

http://www.nessus.org/u?df098689

Plugin Details

Severity: High

ID: 82877

File Name: fedora_2015-5569.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/20/2015

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:mediawiki, cpe:/o:fedoraproject:fedora:20

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 4/5/2015

Reference Information

FEDORA: 2015-5569