Vulnerability Description
The ruby-openid gem before 2.2.2 for Ruby allows remote OpenID providers to cause a denial of service (CPU consumption) via (1) a large XRDS document or (2) an XML Entity Expansion (XEE) attack.
CVSS Score
4.3
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 17 |
| Janrain | Ruby-Openid | <= 2.2.1 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-November/120204.h
- http://lists.fedoraproject.org/pipermail/package-announce/2013-November/120361.h
- http://www.openwall.com/lists/oss-security/2013/03/03/8Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=918134
- https://github.com/openid/ruby-openid/blob/master/CHANGELOG.md
- https://github.com/openid/ruby-openid/commit/a3693cef06049563f5b4e4824f4d3211288ExploitPatch
- https://github.com/openid/ruby-openid/pull/43
- http://lists.fedoraproject.org/pipermail/package-announce/2013-November/120204.h
- http://lists.fedoraproject.org/pipermail/package-announce/2013-November/120361.h
- http://www.openwall.com/lists/oss-security/2013/03/03/8Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=918134
- https://github.com/openid/ruby-openid/blob/master/CHANGELOG.md
- https://github.com/openid/ruby-openid/commit/a3693cef06049563f5b4e4824f4d3211288ExploitPatch
- https://github.com/openid/ruby-openid/pull/43
FAQ
What is CVE-2013-1812?
CVE-2013-1812 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The ruby-openid gem before 2.2.2 for Ruby allows remote OpenID providers to cause a denial of service (CPU consumption) via (1) a large XRDS document or (2) an XML Entity Expansion (XEE) attack.
How severe is CVE-2013-1812?
CVE-2013-1812 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-1812?
Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Janrain Ruby-Openid.