{"id":"UBUNTU-CVE-2015-3238","details":"The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.","modified":"2026-04-22T10:16:52.782472Z","published":"2015-08-24T00:00:00Z","related":["USN-2935-1"],"upstream":["CVE-2015-3238"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-3238"},{"type":"REPORT","url":"https://www.redhat.com/archives/pam-list/2015-June/msg00001.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2935-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-3238"}],"affected":[{"package":{"name":"pam","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/pam@1.1.8-1ubuntu2.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.8-1ubuntu2.1"}]}],"versions":["1.1.3-8ubuntu3","1.1.3-10ubuntu1","1.1.3-11ubuntu1","1.1.8-1ubuntu1","1.1.8-1ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpam-cracklib","binary_version":"1.1.8-1ubuntu2.1"},{"binary_name":"libpam-modules","binary_version":"1.1.8-1ubuntu2.1"},{"binary_name":"libpam-modules-bin","binary_version":"1.1.8-1ubuntu2.1"},{"binary_name":"libpam-runtime","binary_version":"1.1.8-1ubuntu2.1"},{"binary_name":"libpam0g","binary_version":"1.1.8-1ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3238.json"}},{"package":{"name":"pam","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pam@1.1.8-3.2ubuntu2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.8-3.2ubuntu2"}]}],"versions":["1.1.8-3.1ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpam-cracklib","binary_version":"1.1.8-3.2ubuntu2"},{"binary_name":"libpam-modules","binary_version":"1.1.8-3.2ubuntu2"},{"binary_name":"libpam-modules-bin","binary_version":"1.1.8-3.2ubuntu2"},{"binary_name":"libpam-runtime","binary_version":"1.1.8-3.2ubuntu2"},{"binary_name":"libpam0g","binary_version":"1.1.8-3.2ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3238.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"},{"type":"Ubuntu","score":"low"}]}