USN-3827-2: Samba vulnerabilities
27 November 2018
Several security issues were fixed in Samba.
Releases
Packages
- samba - SMB/CIFS file, print, and login server for Unix
Details
USN-3827-1 fixed a vulnerability in samba. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Florian Stuelpner discovered that Samba incorrectly handled CNAME records.
A remote attacker could use this issue to cause Samba to crash, resulting
in a denial of service. (CVE-2018-14629)
Alex MacCuish discovered that Samba incorrectly handled memory when
configured to accept smart-card authentication. A remote attacker could
possibly use this issue to cause Samba to crash, resulting in a denial of
service. (CVE-2018-16841)
Garming Sam discovered that Samba incorrectly handled memory when
processing LDAP searches. A remote attacker could possibly use this issue
to cause Samba to crash, resulting in a denial of service. (CVE-2018-16851)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-3827-1: samba-common, libsmbsharemodes0, samba-libs, winbind, samba-doc, libparse-pidl-perl, libwbclient-dev, samba, samba-dsdb-modules, libpam-winbind, python-samba, libwbclient0, libsmbclient-dev, samba-dev, libsmbclient, smbclient, registry-tools, ctdb, libpam-smbpass, samba-common-bin, samba-testsuite, samba-vfs-modules, libnss-winbind, libsmbsharemodes-dev