CVE-2015-2942

high

Description

MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.

References

https://security.gentoo.org/glsa/201510-05

https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html

http://www.securityfocus.com/bid/73477

http://www.openwall.com/lists/oss-security/2015/04/07/3

http://www.openwall.com/lists/oss-security/2015/04/01/1

Details

Source: Mitre, NVD

Published: 2015-04-13

Updated: 2016-12-07

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High