{"id":"USN-2935-2","aliases":[],"status":"published","title":"pam regression","description":"USN-2935-1 fixed vulnerabilities in PAM. The updates contained a packaging\nchange that prevented upgrades in certain multiarch environments. This\nupdate fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n It was discovered that the PAM pam_userdb module incorrectly used a\n case-insensitive method when comparing hashed passwords. A local attacker\n could possibly use this issue to make brute force attacks easier. This\n issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2013-7041)\n \n Sebastian Krahmer discovered that the PAM pam_timestamp module incorrectly\n performed filtering. A local attacker could use this issue to create\n arbitrary files, or possibly bypass authentication. This issue only\n affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-2583)\n \n Sebastien Macke discovered that the PAM pam_unix module incorrectly handled\n large passwords. A local attacker could possibly use this issue in certain\n environments to enumerate usernames or cause a denial of service.\n (CVE-2015-3238)","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2016-03-16T18:43:09Z","modified":"2026-04-22T09:24:50Z","fixes":[{"ecosystem":"Ubuntu:14.04:LTS","package":"pam","fixed_in":["1.1.8-1ubuntu2.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"pam","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.8-1ubuntu2.2"}]}],"versions":["1.1.3-8ubuntu3","1.1.3-10ubuntu1","1.1.3-11ubuntu1","1.1.8-1ubuntu1","1.1.8-1ubuntu2","1.1.8-1ubuntu2.1"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-2935-2","tags":["advisory"]},{"url":"https://launchpad.net/bugs/1558114","tags":["report"]}],"sources":{"osv":[{"id":"USN-2935-2","title":"pam regression","description":"USN-2935-1 fixed vulnerabilities in PAM. The updates contained a packaging\nchange that prevented upgrades in certain multiarch environments. This\nupdate fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n It was discovered that the PAM pam_userdb module incorrectly used a\n case-insensitive method when comparing hashed passwords. A local attacker\n could possibly use this issue to make brute force attacks easier. This\n issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2013-7041)\n \n Sebastian Krahmer discovered that the PAM pam_timestamp module incorrectly\n performed filtering. A local attacker could use this issue to create\n arbitrary files, or possibly bypass authentication. This issue only\n affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-2583)\n \n Sebastien Macke discovered that the PAM pam_unix module incorrectly handled\n large passwords. A local attacker could possibly use this issue in certain\n environments to enumerate usernames or cause a denial of service.\n (CVE-2015-3238)\n","status":"published","published":"2016-03-16T18:43:09Z","modified":"2026-04-22T09:24:50.20079Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}