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