USN-3353-4: Samba vulnerability

Releases

• Ubuntu 12.04

Packages

• samba - SMB/CIFS file, print, and login server for Unix

Details

USN-3353-1 fixed a vulnerability in Heimdal. This update provides the corresponding update for Samba.

Original advisory details:

Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered
that Samba clients incorrectly trusted unauthenticated portions
of Kerberos tickets. A remote attacker could use this to impersonate
trusted network services or perform other attacks.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04

• libsmbclient - 2:3.6.25-0ubuntu0.12.04.12

In general, a standard system update will make all the necessary changes.

References

• CVE-2017-11103

Related notices

• USN-3353-1: libgssapi3-heimdal, libheimntlm0-heimdal, libasn1-8-heimdal, heimdal-clients-x, libkdc2-heimdal, heimdal, libheimbase1-heimdal, libkadm5srv8-heimdal, libkafs0-heimdal, libhcrypto4-heimdal, heimdal-multidev, libsl0-heimdal, heimdal-clients, heimdal-docs, heimdal-servers, libkrb5-26-heimdal, heimdal-kdc, libhx509-5-heimdal, heimdal-kcm, heimdal-servers-x, libroken18-heimdal, heimdal-dev, libhdb9-heimdal, libwind0-heimdal, libotp0-heimdal, libkadm5clnt7-heimdal
• USN-3353-3: libkrb5-26-heimdal, heimdal
• USN-3353-2: winbind, smbclient, samba-dev, libsmbsharemodes0, registry-tools, samba-dsdb-modules, samba-common-bin, libnss-winbind, libpam-smbpass, python-samba, libparse-pidl-perl, samba-testsuite, samba, samba-libs, samba-common, libwbclient-dev, libsmbsharemodes-dev, libsmbclient, ctdb, samba-doc, libsmbclient-dev, samba-vfs-modules, libpam-winbind, libwbclient0