A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise.
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{ "binaries": [ { "binary_name": "ctdb", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "libnss-winbind", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "libpam-winbind", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "libparse-pidl-perl", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "libsmbclient", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "libsmbclient-dev", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "libwbclient-dev", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "libwbclient0", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "python-samba", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "registry-tools", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "samba", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "samba-common", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "samba-common-bin", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "samba-dev", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "samba-dsdb-modules", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "samba-libs", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "samba-testsuite", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "samba-vfs-modules", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "smbclient", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" }, { "binary_name": "winbind", "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3" } ] }
{ "binaries": [ { "binary_name": "ctdb", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "libnss-winbind", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "libpam-winbind", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "libparse-pidl-perl", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "libsmbclient", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "libsmbclient-dev", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "libwbclient-dev", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "libwbclient0", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "python-samba", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "registry-tools", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "samba", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "samba-common", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "samba-common-bin", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "samba-dev", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "samba-dsdb-modules", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "samba-libs", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "samba-testsuite", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "samba-vfs-modules", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "smbclient", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" }, { "binary_name": "winbind", "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2" } ] }
{ "binaries": [ { "binary_name": "ctdb", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "libnss-winbind", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "libpam-winbind", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "libsmbclient", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "libsmbclient-dev", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "libwbclient-dev", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "libwbclient0", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "python3-samba", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "registry-tools", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "samba", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "samba-common", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "samba-common-bin", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "samba-dev", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "samba-dsdb-modules", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "samba-libs", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "samba-testsuite", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "samba-vfs-modules", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "smbclient", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" }, { "binary_name": "winbind", "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "ctdb", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "libnss-winbind", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "libpam-winbind", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "libsmbclient", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "libsmbclient-dev", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "libwbclient-dev", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "libwbclient0", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "python3-samba", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "registry-tools", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "samba", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "samba-common", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "samba-common-bin", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "samba-dev", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "samba-dsdb-modules", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "samba-libs", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "samba-testsuite", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "samba-vfs-modules", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "smbclient", "binary_version": "2:4.13.14+dfsg-0ubuntu1" }, { "binary_name": "winbind", "binary_version": "2:4.13.14+dfsg-0ubuntu1" } ], "availability": "No subscription required" }