Vulnerability Monitor

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CVE-2015-2942

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.

Published

2015-04-13T14:59:15.367

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.1 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mediawiki mediawiki ≤ 1.19.23 Yes
Application mediawiki mediawiki 1.20 Yes
Application mediawiki mediawiki 1.20.1 Yes
Application mediawiki mediawiki 1.20.2 Yes
Application mediawiki mediawiki 1.20.3 Yes
Application mediawiki mediawiki 1.20.4 Yes
Application mediawiki mediawiki 1.20.5 Yes
Application mediawiki mediawiki 1.20.6 Yes
Application mediawiki mediawiki 1.20.7 Yes
Application mediawiki mediawiki 1.20.8 Yes
Application mediawiki mediawiki 1.21 Yes
Application mediawiki mediawiki 1.21.1 Yes
Application mediawiki mediawiki 1.21.2 Yes
Application mediawiki mediawiki 1.21.3 Yes
Application mediawiki mediawiki 1.21.4 Yes
Application mediawiki mediawiki 1.21.5 Yes
Application mediawiki mediawiki 1.21.6 Yes
Application mediawiki mediawiki 1.21.7 Yes
Application mediawiki mediawiki 1.21.8 Yes
Application mediawiki mediawiki 1.21.9 Yes
Application mediawiki mediawiki 1.21.10 Yes
Application mediawiki mediawiki 1.21.11 Yes
Application mediawiki mediawiki 1.22.0 Yes
Application mediawiki mediawiki 1.22.1 Yes
Application mediawiki mediawiki 1.22.2 Yes
Application mediawiki mediawiki 1.22.3 Yes
Application mediawiki mediawiki 1.22.4 Yes
Application mediawiki mediawiki 1.22.5 Yes
Application mediawiki mediawiki 1.22.6 Yes
Application mediawiki mediawiki 1.22.7 Yes
Application mediawiki mediawiki 1.22.8 Yes
Application mediawiki mediawiki 1.22.9 Yes
Application mediawiki mediawiki 1.22.10 Yes
Application mediawiki mediawiki 1.22.11 Yes
Application mediawiki mediawiki 1.22.12 Yes
Application mediawiki mediawiki 1.22.13 Yes
Application mediawiki mediawiki 1.22.14 Yes
Application mediawiki mediawiki 1.22.15 Yes
Application mediawiki mediawiki 1.23.0 Yes
Application mediawiki mediawiki 1.23.1 Yes
Application mediawiki mediawiki 1.23.2 Yes
Application mediawiki mediawiki 1.23.3 Yes
Application mediawiki mediawiki 1.23.4 Yes
Application mediawiki mediawiki 1.23.5 Yes
Application mediawiki mediawiki 1.23.6 Yes
Application mediawiki mediawiki 1.23.7 Yes
Application mediawiki mediawiki 1.23.8 Yes
Application mediawiki mediawiki 1.24.0 Yes
Application mediawiki mediawiki 1.24.1 Yes
References