All samba versions 4.9.x before 4.9.18, 4.10.x before 4.10.12 and 4.11.x before 4.11.5 have an issue where if it is set with "log level = 3" (or above) then the string obtained from the client, after a failed character conversion, is printed. Such strings can be provided during the NTLMSSP authentication exchange. In the Samba AD DC in particular, this may cause a long-lived process(such as the RPC server) to terminate. (In the file server case, the most likely target, smbd, operates as process-per-client and so a crash there is harmless).
{
"binaries": [
{
"binary_name": "libnss-winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libpam-smbpass",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libpam-winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libparse-pidl-perl",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libsmbclient",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libsmbclient-dev",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libsmbsharemodes-dev",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libsmbsharemodes0",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libwbclient-dev",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "libwbclient0",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "python-samba",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "registry-tools",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "samba",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "samba-common",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "samba-common-bin",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "samba-dev",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "samba-dsdb-modules",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "samba-libs",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "samba-testsuite",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "samba-vfs-modules",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "smbclient",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
},
{
"binary_name": "winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ctdb",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "libnss-winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "libpam-winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "libparse-pidl-perl",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "libsmbclient",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "libsmbclient-dev",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "libwbclient-dev",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "libwbclient0",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "python-samba",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "registry-tools",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "samba",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "samba-common",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "samba-common-bin",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "samba-dev",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "samba-dsdb-modules",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "samba-libs",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "samba-testsuite",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "samba-vfs-modules",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "smbclient",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
},
{
"binary_name": "winbind",
"binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.25"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ctdb",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "libnss-winbind",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "libpam-winbind",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "libparse-pidl-perl",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "libsmbclient",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "libsmbclient-dev",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "libwbclient-dev",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "libwbclient0",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "python-samba",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "registry-tools",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "samba",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "samba-common",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "samba-common-bin",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "samba-dev",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "samba-dsdb-modules",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "samba-libs",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "samba-testsuite",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "samba-vfs-modules",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "smbclient",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
},
{
"binary_name": "winbind",
"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.15"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ctdb",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "libnss-winbind",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "libpam-winbind",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "libsmbclient",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "libsmbclient-dev",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "libwbclient-dev",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "libwbclient0",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "python3-samba",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "registry-tools",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "samba",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "samba-common",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "samba-common-bin",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "samba-dev",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "samba-dsdb-modules",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "samba-libs",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "samba-testsuite",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "samba-vfs-modules",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "smbclient",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
},
{
"binary_name": "winbind",
"binary_version": "2:4.11.5+dfsg-1ubuntu1"
}
]
}