Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | <= 1.19.23 |
Related Weaknesses (CWE)
References
- 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
- https://security.gentoo.org/glsa/201510-05
- 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
- https://security.gentoo.org/glsa/201510-05
FAQ
What is CVE-2015-2937?
CVE-2015-2937 is a vulnerability with a CVSS score of 7.1 (HIGH). 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) vi...
How severe is CVE-2015-2937?
CVE-2015-2937 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-2937?
Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.