Ubuntu 18.04 LTS : libxkbcommon vulnerabilities (USN-3786-2)

Medium Nessus Plugin ID 118794

Synopsis

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

Description

USN-3786-1 fixed several vulnerabilities in libxkbcommon. This update
provides the corresponding update for Ubuntu 18.04 LTS.

Original advisory details :

It was discovered that libxkbcommon incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of
service. (CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-
15856, CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861,
CVE-2018-15862, CVE-2018-15863, CVE-2018-15864).

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 libxkbcommon-x11-0 and / or libxkbcommon0
packages.

See Also

https://usn.ubuntu.com/3786-2/

Plugin Details

Severity: Medium

ID: 118794

File Name: ubuntu_USN-3786-2.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2018/11/07

Modified: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.6

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

CVSS v3.0

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libxkbcommon-x11-0, p-cpe:/a:canonical:ubuntu_linux:libxkbcommon0, cpe:/o:canonical:ubuntu_linux:18.04:-:lts

Patch Publication Date: 2018/11/06

Reference Information

CVE: CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856, CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861, CVE-2018-15862, CVE-2018-15863, CVE-2018-15864

USN: 3786-2