PT-2015-5992 · Wikimedia+1 · Mediawiki+1

Bawolff · Published 2015-04-13 · Updated 2016-12-07 · CVE-2015-2942

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.19.24 MediaWiki versions prior to 1.23.9 MediaWiki versions prior to 1.24.2

Description The issue allows remote attackers to cause a denial of service, consuming CPU and memory, by exploiting a large number of nested entity references in an SVG file or XMP metadata in a PDF file, known as a "billion laughs attack".

Recommendations For MediaWiki versions prior to 1.19.24, update to version 1.19.24 or later. For MediaWiki versions prior to 1.23.9, update to version 1.23.9 or later. For MediaWiki versions prior to 1.24.2, update to version 1.24.2 or later.

Exploit

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

ALT-PU-2015-1935

CVE-2015-2942

Affected Products

Alt Linux

Mediawiki

References · 40

• 🔥 https://phabricator.wikimedia.org/T85848 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6728 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2932 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2931 · Security Note
• https://ubuntu.com/security/CVE-2015-2942 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-2942 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8005 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6733 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2938 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8001 · Security Note
• https://cve.org/CVERecord?id=CVE-2015-2942 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2942 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-2942 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8009 · Security Note
• https://security.gentoo.org/glsa/201510-05 · Vendor Advisory