[USN-3827-2] Samba vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Tue Nov 27 20:24:46 UTC 2018
Ubuntu Security Notice USN-3827-2
November 27, 2018
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Several security issues were fixed in Samba.
- samba: SMB/CIFS file, print, and login server for Unix
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.
The problem can be corrected by updating your system to the following
Ubuntu 12.04 ESM:
In general, a standard system update will make all the necessary
CVE-2018-14629, CVE-2018-16841, CVE-2018-16851
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