USN-3976-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
Isaac Boukris and Andrew Bartlett discovered that Samba incorrectly checked S4U2Self packets. In certain environments, a remote attacker could possibly use this issue to escalate privileges.
{ "availability": "No subscription required", "binaries": [ { "libwbclient0": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libwbclient-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba-libs": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba-dsdb-modules": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba-common-bin": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "registry-tools": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "python-samba": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba-doc": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba-vfs-modules": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libsmbsharemodes0": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libnss-winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba-common": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libpam-winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "smbclient": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba-testsuite": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "samba-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libparse-pidl-perl": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libpam-smbpass": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libsmbsharemodes-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libsmbclient": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1", "libsmbclient-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1" } ] }