Home/CVE/MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM or Zend PHP, allows remote attac
CVE

CVE-2015-2937

MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM or Zend PHP, allows remote attac

MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM or Zend PHP, allows remote attackers to cause a denial of service ("quadratic blowup" and memory consumption) via an XML file containing an entity declaration with long replacement text and many references to this entity, a different vulnerability than CVE-2015-2942.

HIGH · CVSS 7.1 EPSS 0.02017
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
mediawiki<= 1.19.23
mediawikiall versions
▣

Scoring & Timeline

7.1
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:N/I:N/A:C
Published to NVD13 Apr 2015 · 02:59 PM
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.mandriva.com/security/advisories?name=MDVSA-2015:200
http://www.openwall.com/lists/oss-security/2015/04/01/1
http://www.openwall.com/lists/oss-security/2015/04/07/3
http://www.securityfocus.com/bid/73477
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.htmlPatchVendor Advisory
https://phabricator.wikimedia.org/T71210
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