Detections
Analytics
CVE-2013-0263
high
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.
References
https://twitter.com/coda/statuses/299732877745197056
https://puppet.com/security/cve/cve-2013-0263
https://groups.google.com/forum/#%21msg/rack-devel/mZsuRonD7G8/DpZIOmMLbOgJ
https://groups.google.com/forum/#%21msg/rack-devel/hz-liLb9fKE/8jvVWU6xYiYJ
https://groups.google.com/forum/#%21msg/rack-devel/bf937jPZxJM/1s6x95vIhmAJ
https://groups.google.com/forum/#%21msg/rack-devel/RnQxm6i13C4/xfakH81yWvgJ
https://groups.google.com/d/msg/rack-devel/xKrHVWeNvDM/4ZGA576CnK4J
https://github.com/rack/rack/commit/9a81b961457805f6d1a5c275d053068440421e11
https://github.com/rack/rack/commit/0cd7e9aa397f8ebb3b8481d67dbac8b4863a7f07
https://gist.github.com/codahale/f9f3781f7b54985bee94
https://bugzilla.redhat.com/show_bug.cgi?id=909071
http://www.debian.org/security/2013/dsa-2783
http://secunia.com/advisories/52774
http://secunia.com/advisories/52134
http://secunia.com/advisories/52033
http://rhn.redhat.com/errata/RHSA-2013-0686.html
http://lists.opensuse.org/opensuse-updates/2013-03/msg00048.html