Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-2942

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
13/04/2015
Last modified:
12/04/2025

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1.19.23 (including)
cpe:2.3:a:mediawiki:mediawiki:1.20:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.20.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.20.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.20.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.20.4:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.20.5:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.20.6:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.20.7:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.20.8:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21.4:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools