{"id":"USN-3353-2","summary":"samba vulnerability","details":"USN-3353-1 fixed a vulnerability in Heimdal. This update provides\nthe corresponding update for Samba.\n\nJeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered\nthat Samba clients incorrectly trusted unauthenticated portions of\nKerberos tickets. A remote attacker could use this to impersonate\ntrusted network servers or perform other attacks.\n","modified":"2026-04-22T09:37:17.335350Z","published":"2017-07-14T19:42:50Z","related":["UBUNTU-CVE-2017-11103"],"upstream":["CVE-2017-11103","UBUNTU-CVE-2017-11103"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3353-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-11103"}],"affected":[{"package":{"name":"samba","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.10?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.3.11+dfsg-0ubuntu0.14.04.10"}]}],"versions":["2:3.6.18-1ubuntu3","2:4.0.10+dfsg-4ubuntu2","2:4.0.13+dfsg-1ubuntu1","2:4.1.3+dfsg-2ubuntu2","2:4.1.3+dfsg-2ubuntu3","2:4.1.3+dfsg-2ubuntu4","2:4.1.3+dfsg-2ubuntu5","2:4.1.6+dfsg-1ubuntu1","2:4.1.6+dfsg-1ubuntu2","2:4.1.6+dfsg-1ubuntu2.14.04.1","2:4.1.6+dfsg-1ubuntu2.14.04.2","2:4.1.6+dfsg-1ubuntu2.14.04.3","2:4.1.6+dfsg-1ubuntu2.14.04.4","2:4.1.6+dfsg-1ubuntu2.14.04.5","2:4.1.6+dfsg-1ubuntu2.14.04.7","2:4.1.6+dfsg-1ubuntu2.14.04.8","2:4.1.6+dfsg-1ubuntu2.14.04.9","2:4.1.6+dfsg-1ubuntu2.14.04.11","2:4.1.6+dfsg-1ubuntu2.14.04.12","2:4.1.6+dfsg-1ubuntu2.14.04.13","2:4.3.8+dfsg-0ubuntu0.14.04.2","2:4.3.9+dfsg-0ubuntu0.14.04.1","2:4.3.9+dfsg-0ubuntu0.14.04.3","2:4.3.11+dfsg-0ubuntu0.14.04.1","2:4.3.11+dfsg-0ubuntu0.14.04.2","2:4.3.11+dfsg-0ubuntu0.14.04.3","2:4.3.11+dfsg-0ubuntu0.14.04.4","2:4.3.11+dfsg-0ubuntu0.14.04.6","2:4.3.11+dfsg-0ubuntu0.14.04.7","2:4.3.11+dfsg-0ubuntu0.14.04.8","2:4.3.11+dfsg-0ubuntu0.14.04.9"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnss-winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"libpam-smbpass","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"libpam-winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"libparse-pidl-perl","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"libsmbclient","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"libsmbsharemodes0","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"libwbclient0","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"python-samba","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"registry-tools","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"samba","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"samba-common","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"samba-common-bin","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"samba-dsdb-modules","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"samba-libs","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"samba-testsuite","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"samba-vfs-modules","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"smbclient","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"},{"binary_name":"winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.10"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-11103","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3353-2.json"}},{"package":{"name":"samba","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.9?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.3.11+dfsg-0ubuntu0.16.04.9"}]}],"versions":["2:4.1.17+dfsg-4ubuntu2","2:4.1.20+dfsg-1ubuntu1","2:4.1.20+dfsg-1ubuntu2","2:4.1.20+dfsg-1ubuntu3","2:4.1.20+dfsg-1ubuntu5","2:4.3.3+dfsg-1ubuntu1","2:4.3.3+dfsg-1ubuntu2","2:4.3.3+dfsg-1ubuntu3","2:4.3.6+dfsg-1ubuntu1","2:4.3.8+dfsg-0ubuntu1","2:4.3.9+dfsg-0ubuntu0.16.04.1","2:4.3.9+dfsg-0ubuntu0.16.04.2","2:4.3.9+dfsg-0ubuntu0.16.04.3","2:4.3.11+dfsg-0ubuntu0.16.04.1","2:4.3.11+dfsg-0ubuntu0.16.04.3","2:4.3.11+dfsg-0ubuntu0.16.04.5","2:4.3.11+dfsg-0ubuntu0.16.04.6","2:4.3.11+dfsg-0ubuntu0.16.04.7","2:4.3.11+dfsg-0ubuntu0.16.04.8"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ctdb","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"libnss-winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"libpam-winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"libparse-pidl-perl","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"libsmbclient","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"libwbclient0","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"python-samba","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"registry-tools","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"samba","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"samba-common","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"samba-common-bin","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"samba-dsdb-modules","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"samba-libs","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"samba-testsuite","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"samba-vfs-modules","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"smbclient","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"},{"binary_name":"winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.16.04.9"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-11103","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3353-2.json"}}],"schema_version":"1.7.5"}