Vulnerability in MediaWiki
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.
EPSS: 0.028 (85.1th percentile) — read the EPSS interpretation.
Affected products
- Mediawiki — versions 1.20, 1.20.1, 1.20.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (Vendor Advisory, mailing-list, x_refsource_MLIST, Patch)
- cve@mitre.org (x_refsource_CONFIRM, Exploit)
Frequently asked questions
- What is CVE-2015-2942?
- CVE-2015-2942 is a vulnerability in MediaWiki, classified under CWE-399. Published 2015-04-13.
- Is CVE-2015-2942 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.