Vulnerability Description
The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) a crafted XML document containing an empty string in an entity that is used in a large number of nested entity references, aka an XML Entity Expansion (XEE) attack. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-1821 and CVE-2014-8080.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ruby-Lang | Ruby | <= 1.9.3 |
References
- http://advisories.mageia.org/MGASA-2014-0472.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
- http://lists.opensuse.org/opensuse-updates/2014-12/msg00035.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00004.html
- http://rhn.redhat.com/errata/RHSA-2014-1911.html
- http://rhn.redhat.com/errata/RHSA-2014-1912.html
- http://rhn.redhat.com/errata/RHSA-2014-1913.html
- http://rhn.redhat.com/errata/RHSA-2014-1914.html
- http://secunia.com/advisories/59948
- http://secunia.com/advisories/62050
- http://secunia.com/advisories/62748
- http://www.debian.org/security/2015/dsa-3157
- http://www.debian.org/security/2015/dsa-3159
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:129
FAQ
What is CVE-2014-8090?
CVE-2014-8090 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) ...
How severe is CVE-2014-8090?
CVE-2014-8090 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-8090?
Check the references section above for vendor advisories and patch information. Affected products include: Ruby-Lang Ruby.