USN-4454-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT server. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service.
{ "availability": "No subscription required", "binaries": [ { "libwbclient0": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libwbclient-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba-libs": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba-dsdb-modules": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba-common-bin": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "registry-tools": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "python-samba": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba-doc": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libnss-winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba-vfs-modules": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libsmbsharemodes0": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba-common": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libpam-winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "smbclient": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba-testsuite": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "samba-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libparse-pidl-perl": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libpam-smbpass": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libsmbsharemodes-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libsmbclient": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8", "libsmbclient-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8" } ] }