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USN-4217-2: Samba vulnerabilities

11 December 2019

Several security issues were fixed in Samba.

Releases

Packages

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

Details

USN-4217-1 fixed several vulnerabilities in Samba. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Andreas Oster discovered that the Samba DNS management server incorrectly
handled certain records. An authenticated attacker could possibly use this
issue to crash Samba, resulting in a denial of service. (CVE-2019-14861)

Isaac Boukris discovered that Samba did not enforce the Kerberos
DelegationNotAllowed feature restriction, contrary to expectations.
(CVE-2019-14870)

Update instructions

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

Ubuntu 14.04

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

Related notices

  • USN-4217-1: python-samba, samba-common, libpam-winbind, libsmbclient-dev, registry-tools, samba-dsdb-modules, samba-vfs-modules, samba-libs, smbclient, libnss-winbind, samba-common-bin, samba-testsuite, libwbclient-dev, winbind, libparse-pidl-perl, libsmbclient, libwbclient0, samba-dev, ctdb, python3-samba, samba