Executive Summary

Summary
Title libxkbcommon vulnerabilities
Informations
Name USN-3786-2 First vendor Publication 2018-11-06
Vendor Ubuntu Last vendor Modification 2018-11-06
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in libxkbcommon.

Software Description: - libxkbcommon: library interface to the XKB compiler - development files

Details:

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

Original advisory details:

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

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04 LTS: ﾃつ libxkbcommon-x11-0ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.8.0-1ubuntu0.1 ﾃつ libxkbcommon0ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.8.0-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References: ﾃつ https://usn.ubuntu.com/usn/usn-3786-2 ﾃつ https://usn.ubuntu.com/usn/usn-3786-1 ﾃつ CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856, ﾃつ CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861, ﾃつ CVE-2018-15862, CVE-2018-15863, CVE-2018-15864

Package Information: ﾃつ https://launchpad.net/ubuntu/+source/libxkbcommon/0.8.0-1ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-3786-2

CWE : Common Weakness Enumeration

% Id Name
80 % CWE-476 NULL Pointer Dereference
10 % CWE-416 Use After Free
10 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Os 3

Nessusﾂｮ Vulnerability Scanner

Date Description
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-4295467df0.nasl - Type : ACT_GATHER_INFO
2018-10-31 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201810-05.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2018-11-06 17:18:45
  • First insertion