{"id":"CVE-2009-0887","aliases":["BELL-CVE-2009-0887","DEBIAN-CVE-2009-0887","EUVD-2009-0884","GHSA-p45g-44mp-mq74"],"status":"published","title":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam)...","description":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.","severity":{"version":"2.0","score":6.6,"vector":"AV:L/AC:M/Au:S/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01929,"percentile":0.80124,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2009-03-12T15:00:00Z","modified":"2026-10-23T17:47:42Z","fixes":[{"ecosystem":"Debian:12","package":"pam","fixed_in":["1.0.1-10"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pam","fixed_in":["1.0.1-10"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pam","fixed_in":["1.0.1-10"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pam","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-10"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pam","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-10"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pam","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-10"}]}]}],"products":[{"vendor":"linux-pam","product":"linux-pam"}],"references":[{"url":"http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9\u0026amp%3Br2=1.10\u0026amp%3Bview=patch","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:077","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://openwall.com/lists/oss-security/2009/03/05/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","evidence"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00398.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/49110","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/34010","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","fix"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00420.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://secunia.com/advisories/34733","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0887"},{"url":"http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9\u0026amp;r2=1.10\u0026amp;view=patch"},{"url":"https://github.com/advisories/GHSA-p45g-44mp-mq74"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2009-0887","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-0887","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-0887","description":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.","status":"published","published":"2009-03-12T15:00:00Z","modified":"2024-08-07T04:48:52.627Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0884","description":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.","status":"published","published":"2009-03-12T15:00:00Z","modified":"2024-08-07T04:48:52Z","updated_at":"2026-11-03T01:39:24.312317Z"}],"ghsa":[{"id":"GHSA-p45g-44mp-mq74","title":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam)...","description":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.","status":"published","published":"2022-05-02T03:19:06Z","modified":"2025-04-09T04:07:20Z","updated_at":"2026-11-02T15:00:59.52588Z"}],"nvd":[{"id":"CVE-2009-0887","description":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.","status":"published","published":"2009-03-12T15:20:50.127Z","modified":"2026-06-16T23:06:02.38Z","cvss":[{"version":"2.0","score":6.6,"vector":"AV:L/AC:M/Au:S/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:01:34.44527Z"}],"osv":[{"id":"BELL-CVE-2009-0887","title":"CVE-2009-0887 does not affect BellSoft software","status":"withdrawn","published":"2009-03-12T15:20:00Z","modified":"2026-01-28T07:22:07.102484Z","cvss":[{"version":"2.0","score":6.6,"vector":"AV:L/AC:M/Au:S/C:C/I:C/A:C","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2009-0887","description":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.","status":"published","published":"2009-03-12T15:20:50Z","modified":"2026-04-10T03:40:39.869932Z","updated_at":"2026-11-02T15:43:57.452479Z"},{"id":"DEBIAN-CVE-2009-0887","description":"Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.","status":"published","published":"2009-03-12T15:20:50.127Z","modified":"2026-10-23T17:47:42.168738743Z","updated_at":"2026-11-02T15:45:24.013654Z"}]}}