It was found that Samba before versions 4.5.3, 4.4.8, 4.3.13 always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libwbclient-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-libs": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "registry-tools": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-common-bin": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libsmbsharemodes0-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libwbclient0-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libpam-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libnss-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-doc": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libsmbsharemodes0": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-vfs-modules": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "python-samba-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-dsdb-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libsmbsharemodes-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-common-bin-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-testsuite": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "smbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libsmbclient": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libsmbsharemodes-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libsmbclient-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libwbclient0": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libparse-pidl-perl-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-dsdb-modules": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "registry-tools-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-vfs-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "python-samba": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libpam-smbpass-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libsmbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libnss-winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libsmbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-libs-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-dbg": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-testsuite-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-common": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libpam-winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "smbclient": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libwbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "samba-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libparse-pidl-perl": "2:4.3.11+dfsg-0ubuntu0.14.04.4", "libpam-smbpass": "2:4.3.11+dfsg-0ubuntu0.14.04.4" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libwbclient-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-libs": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "registry-tools": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-common-bin": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libwbclient0-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-dsdb-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libpam-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libnss-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-vfs-modules": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-common-bin-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-testsuite": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "smbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libsmbclient": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libsmbclient-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libwbclient0": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libparse-pidl-perl-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-dsdb-modules": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "registry-tools-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-vfs-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "python-samba": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "ctdb": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libsmbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libnss-winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libsmbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-libs-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-dbg": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-testsuite-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-common": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libpam-winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "smbclient": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libwbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "samba-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "libparse-pidl-perl": "2:4.3.11+dfsg-0ubuntu0.16.04.3", "ctdb-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.3" } ] }