Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 18.10 : samba vulnerabilities (USN-3827-1)

High Nessus Plugin ID 119254

Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

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).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected samba package.

See Also

https://usn.ubuntu.com/3827-1/

Plugin Details

Severity: High

ID: 119254

File Name: ubuntu_USN-3827-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2018/11/28

Modified: 2018/11/28

Dependencies: 12634

Risk Information

Risk Factor: High

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:samba, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Patch Publication Date: 2018/11/27

Reference Information

CVE: CVE-2018-14629, CVE-2018-16841, CVE-2018-16851

USN: 3827-1