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 (19)
Core 19
Core References
Mailing List x_refsource_confirm
https://groups.google.com/forum/#%21msg/rack-devel/mZsuRonD7G8/DpZIOmMLbOgJ
Mailing List x_refsource_confirm
https://groups.google.com/forum/#%21msg/rack-devel/RnQxm6i13C4/xfakH81yWvgJ
Mailing List x_refsource_confirm
https://groups.google.com/d/msg/rack-devel/xKrHVWeNvDM/4ZGA576CnK4J
Mailing List x_refsource_confirm
https://groups.google.com/forum/#%21msg/rack-devel/hz-liLb9fKE/8jvVWU6xYiYJ
Mailing List x_refsource_confirm
https://groups.google.com/forum/#%21msg/rack-devel/bf937jPZxJM/1s6x95vIhmAJ
Various Sources x_refsource_misc
https://gist.github.com/codahale/f9f3781f7b54985bee94
Various Sources x_refsource_confirm
https://puppet.com/security/cve/cve-2013-0263
Various Sources x_refsource_misc
https://twitter.com/coda/statuses/299732877745197056
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/52774
Patch x_refsource_confirm
https://github.com/rack/rack/commit/9a81b961457805f6d1a5c275d053068440421e11
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/52033
Patch x_refsource_confirm
https://github.com/rack/rack/commit/0cd7e9aa397f8ebb3b8481d67dbac8b4863a7f07
Vendor Advisory x_refsource_confirm
http://rack.github.com/
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/52134
Issue Tracking x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=909071
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2013-0686.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2013-03/msg00048.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/89939
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2013/dsa-2783
Scores
EPSS
0.1607
EPSS Percentile
94.8%
Details
Status
published
Products (29)
rack_project/rack
1.5.0
rack_project/rack
1.5.1
rack_project/rack
1.4.0
rack_project/rack
1.4.1
rack_project/rack
1.4.2
rack_project/rack
1.4.3
rack_project/rack
1.4.4
rack_project/rack
1.3.0
rack_project/rack
1.3.1
rack_project/rack
1.3.2
... and 19 more
Published
Feb 08, 2013
Tracked Since
Feb 18, 2026