{"id":"CVE-2013-0263","details":"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.","aliases":["GHSA-xc85-32mf-xpv8"],"modified":"2026-03-23T05:03:55.682407Z","published":"2013-02-08T20:55:01Z","related":["openSUSE-SU-2024:10115-1","openSUSE-SU-2024:10406-1","openSUSE-SU-2024:11344-1","openSUSE-SU-2024:11345-1","openSUSE-SU-2024:11346-1","openSUSE-SU-2024:12119-1","openSUSE-SU-2024:12397-1","openSUSE-SU-2024:12974-1","openSUSE-SU-2024:13167-1","openSUSE-SU-2024:13726-1","openSUSE-SU-2024:13727-1","openSUSE-SU-2025:14811-1","openSUSE-SU-2025:14875-1","openSUSE-SU-2026:10286-1","openSUSE-SU-2026:10358-1"],"references":[{"type":"ADVISORY","url":"http://rack.github.com/"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-0686.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/52033"},{"type":"ADVISORY","url":"http://secunia.com/advisories/52134"},{"type":"ADVISORY","url":"http://secunia.com/advisories/52774"},{"type":"ADVISORY","url":"http://www.debian.org/security/2013/dsa-2783"},{"type":"FIX","url":"https://github.com/rack/rack/commit/0cd7e9aa397f8ebb3b8481d67dbac8b4863a7f07"},{"type":"FIX","url":"https://github.com/rack/rack/commit/9a81b961457805f6d1a5c275d053068440421e11"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=909071"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2013-03/msg00048.html"},{"type":"WEB","url":"http://www.osvdb.org/89939"},{"type":"WEB","url":"https://gist.github.com/codahale/f9f3781f7b54985bee94"},{"type":"WEB","url":"https://groups.google.com/d/msg/rack-devel/xKrHVWeNvDM/4ZGA576CnK4J"},{"type":"WEB","url":"https://groups.google.com/forum/#%21msg/rack-devel/RnQxm6i13C4/xfakH81yWvgJ"},{"type":"WEB","url":"https://groups.google.com/forum/#%21msg/rack-devel/bf937jPZxJM/1s6x95vIhmAJ"},{"type":"WEB","url":"https://groups.google.com/forum/#%21msg/rack-devel/hz-liLb9fKE/8jvVWU6xYiYJ"},{"type":"WEB","url":"https://groups.google.com/forum/#%21msg/rack-devel/mZsuRonD7G8/DpZIOmMLbOgJ"},{"type":"WEB","url":"https://puppet.com/security/cve/cve-2013-0263"},{"type":"WEB","url":"https://twitter.com/coda/statuses/299732877745197056"}],"schema_version":"1.7.5"}