{"id":"CVE-2010-3431","aliases":["BELL-CVE-2010-3431","DEBIAN-CVE-2010-3431","EUVD-2010-3429","GHSA-65hr-mfq3-4rjr","openSUSE-SU-2024:10405-1"],"status":"published","title":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM ...","description":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.","severity":{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00349,"percentile":0.28713,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2011-01-24T17:00:00Z","modified":"2026-10-23T17:47:23Z","fixes":[{"ecosystem":"Debian:12","package":"pam","fixed_in":["1.1.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pam","fixed_in":["1.1.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pam","fixed_in":["1.1.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pam","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pam","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pam","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"pam","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0-3.4"}]}],"bundled":7}],"products":[{"vendor":"linux-pam","product":"linux-pam"}],"references":[{"url":"http://openwall.com/lists/oss-security/2010/09/27/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2010/09/21/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://security.gentoo.org/glsa/glsa-201206-31.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://openwall.com/lists/oss-security/2010/10/03/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2010/09/24/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2010/09/21/9","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2010/09/21/8","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://openwall.com/lists/oss-security/2010/09/27/10","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=843807a3a90f52e7538be756616510730a24739a","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2010/09/27/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://openwall.com/lists/oss-security/2010/09/21/10","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://secunia.com/advisories/49711","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=641361","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://openwall.com/lists/oss-security/2010/09/27/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2010/10/25/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2010/09/21/11","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-3431"},{"url":"http://git.altlinux.org/people/ldv/packages/?p=pam.git;a=commit;h=843807a3a90f52e7538be756616510730a24739a"},{"url":"https://github.com/advisories/GHSA-65hr-mfq3-4rjr"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2010-3431","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-3431","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2010-3430","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-3431","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-3853","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-3148","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-3149","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-2583","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3238","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2010-3431","description":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.","status":"published","published":"2011-01-24T17:00:00Z","modified":"2024-08-07T03:11:44.353Z","updated_at":"2026-11-02T14:33:27.354104Z"}],"euvd":[{"id":"EUVD-2010-3429","description":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.","status":"published","published":"2011-01-24T17:00:00Z","modified":"2024-08-07T03:11:44Z","updated_at":"2026-11-03T01:39:34.041566Z"}],"ghsa":[{"id":"GHSA-65hr-mfq3-4rjr","title":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM ...","description":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.","status":"published","published":"2022-05-14T01:43:40Z","modified":"2023-02-21T05:06:29Z","updated_at":"2026-11-02T14:54:11.906282Z"}],"nvd":[{"id":"CVE-2010-3431","description":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.","status":"published","published":"2011-01-24T18:00:01.97Z","modified":"2026-06-16T23:22:45.327Z","cvss":[{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:02:03.297831Z"}],"osv":[{"id":"BELL-CVE-2010-3431","title":"CVE-2010-3431 does not affect BellSoft software","status":"withdrawn","published":"2011-01-24T18:00:00Z","modified":"2026-01-28T07:21:03.557938Z","cvss":[{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:P/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2010-3431","description":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.","status":"published","published":"2011-01-24T18:00:01Z","modified":"2026-04-10T03:41:25.480325Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"DEBIAN-CVE-2010-3431","description":"The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.","status":"published","published":"2011-01-24T18:00:01.97Z","modified":"2026-10-23T17:47:23.401099281Z","updated_at":"2026-11-02T15:45:24.316685Z"},{"id":"openSUSE-SU-2024:10405-1","title":"pam-1.3.0-3.4 on GA media","description":"These are all security issues fixed in the pam-1.3.0-3.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:08:36.989963Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}