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