Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : samba vulnerabilities (USN-3595-1)

Medium Nessus Plugin ID 108335

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

Bjorn Baumbach discovered that Samba incorrectly validated permissions when changing account passwords via LDAP. An authenticated attacker could use this issue to change the password of other users, including administrators, and perform actions as those users.
(CVE-2018-1057)

It was discovered that Samba incorrectly validated inputs to the RPC spoolss service. An authenticated attacker could use this issue to cause the service to crash, resulting in a denial of service.
(CVE-2018-1050).

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 and / or samba-dsdb-modules packages.

See Also

https://usn.ubuntu.com/3595-1/

Plugin Details

Severity: Medium

ID: 108335

File Name: ubuntu_USN-3595-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2018/03/14

Modified: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS v3.0

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:samba, p-cpe:/a:canonical:ubuntu_linux:samba-dsdb-modules, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:17.10

Patch Publication Date: 2018/03/13

Reference Information

CVE: CVE-2018-1050, CVE-2018-1057

USN: 3595-1