Vulnerability Description
Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that does not run in constant time.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rack Project | Rack | 1.5.0 |
References
- http://lists.opensuse.org/opensuse-updates/2013-03/msg00048.html
- http://rack.github.com/Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2013-0686.html
- http://secunia.com/advisories/52033Vendor Advisory
- http://secunia.com/advisories/52134Vendor Advisory
- http://secunia.com/advisories/52774
- http://www.debian.org/security/2013/dsa-2783
- http://www.osvdb.org/89939
- https://bugzilla.redhat.com/show_bug.cgi?id=909071
- https://gist.github.com/codahale/f9f3781f7b54985bee94
- https://github.com/rack/rack/commit/0cd7e9aa397f8ebb3b8481d67dbac8b4863a7f07
- https://github.com/rack/rack/commit/9a81b961457805f6d1a5c275d053068440421e11
- https://groups.google.com/d/msg/rack-devel/xKrHVWeNvDM/4ZGA576CnK4J
- https://groups.google.com/forum/#%21msg/rack-devel/RnQxm6i13C4/xfakH81yWvgJ
- https://groups.google.com/forum/#%21msg/rack-devel/bf937jPZxJM/1s6x95vIhmAJ
FAQ
What is CVE-2013-0263?
CVE-2013-0263 is a vulnerability with a CVSS score of 5.1 (MEDIUM). Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileg...
How severe is CVE-2013-0263?
CVE-2013-0263 has been rated MEDIUM with a CVSS base score of 5.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-0263?
Check the references section above for vendor advisories and patch information. Affected products include: Rack Project Rack.