MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2,...
Vulnerability 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 Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2015-2942
Credits & Attribution
No credits recorded in the NVD database.
References
- https://security.gentoo.org/glsa/201510-05
- 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
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html
- https://phabricator.wikimedia.org/T85848
More from mediawiki
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mediawiki
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.