USN-3827-2: Samba vulnerabilities
samba vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary
Several security issues were fixed in Samba.
Software Description
- 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 ESM
- samba – 2:3.6.25-0ubuntu0.12.04.16
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
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