{"id":"CVE-2012-2671","aliases":["DEBIAN-CVE-2012-2671","EUVD-2022-4211","GHSA-hrp6-w4v2-8737"],"status":"published","title":"Rack-Cache caches sensitive headers","description":"The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02332,"percentile":0.83647,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-525"],"published":"2012-06-17T01:00:00Z","modified":"2026-10-23T17:47:22Z","fixes":[{"ecosystem":"RubyGems","package":"rack-cache","fixed_in":["1.2"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"ruby-rack-cache","fixed_in":["1.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ruby-rack-cache","fixed_in":["1.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ruby-rack-cache","fixed_in":["1.2-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"rack-cache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.3.0"},{"fixed":"1.2"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"ruby-rack-cache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ruby-rack-cache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ruby-rack-cache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2-1"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"rack-cache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.3.0"},{"fixed":"1.2"}]}],"versions":["0.3.0","0.4","0.5","0.5.2","0.5.3","1.0","1.0.1","1.0.2","1.0.3","1.1"]}],"products":[{"vendor":"rtomayko","product":"rack-cach"}],"references":[{"url":"https://bugzilla.novell.com/show_bug.cgi?id=763650","tags":["x_refsource_MISC","x_transferred","report","web"]},{"url":"https://github.com/rtomayko/rack-cache/commit/2e3a64d07daac4c757cc57620f2288e865a09b90","tags":["x_refsource_CONFIRM","x_transferred","fix","web"]},{"url":"https://github.com/rtomayko/rack-cache/blob/master/CHANGES","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081812.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://github.com/rtomayko/rack-cache/pull/52","tags":["x_refsource_CONFIRM","x_transferred","fix","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/06/06/8","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/06/06/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=824520","tags":["x_refsource_MISC","x_transferred","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2671","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack-cache/CVE-2012-2671.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hrp6-w4v2-8737"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-2671","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-2671","description":"The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.","status":"published","published":"2012-06-17T01:00:00Z","modified":"2024-08-06T19:42:31.951Z","updated_at":"2026-11-02T14:34:49.937255Z"}],"euvd":[{"id":"EUVD-2022-4211","description":"The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.","status":"published","published":"2012-06-17T01:00:00Z","modified":"2024-08-06T19:42:31Z","updated_at":"2026-11-03T01:56:13.895728Z"}],"ghsa":[{"id":"GHSA-hrp6-w4v2-8737","title":"Rack-Cache caches sensitive headers","description":"The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.","status":"published","published":"2022-05-17T05:05:40Z","modified":"2023-08-25T23:19:50Z","cwes":["CWE-525"],"updated_at":"2026-11-02T14:37:00.680009Z"}],"nvd":[{"id":"CVE-2012-2671","description":"The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.","status":"published","published":"2012-06-17T03:41:41.437Z","modified":"2026-06-16T23:41:50.973Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:14.336529Z"}],"osv":[{"id":"CVE-2012-2671","description":"The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.","status":"published","published":"2012-06-17T03:41:41Z","modified":"2026-04-10T03:42:21.425263Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-2671","description":"The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.","status":"published","published":"2012-06-17T03:41:41.437Z","modified":"2026-10-23T17:47:22.277471335Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"GHSA-hrp6-w4v2-8737","title":"Rack-Cache caches sensitive headers","description":"The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.","status":"published","published":"2022-05-17T05:05:40Z","modified":"2024-11-30T05:23:06.158069Z","cwes":["CWE-525"],"updated_at":"2026-11-02T15:46:49.621585Z"}]}}