Executive Summary

Summary
Title xkbcommon: Multiple vulnerabilities
Informations
Name GLSA-201810-05 First vendor Publication 2018-10-30
Vendor Gentoo Last vendor Modification 2018-10-30
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
 
Calculate full CVSS 3.0 Vectors scores

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

Synopsis

Multiple vulnerabilities have been found in xkbcommon, the worst of which may lead to a Denial of Service condition.

Background

xkbcommon is a library to handle keyboard descriptions, including loading them from disk, parsing them and handling their state.

descriptions, including loading them from disk, parsing them and handling their state.

Affected packages

-------------------------------------------------------------------
Package / Vulnerable / Unaffected -------------------------------------------------------------------
1 x11-libs/libxkbcommon < 0.8.2 >= 0.8.2

Description

Multiple vulnerabilities have been discovered in libxkbcommon. Please review the CVE identifiers referenced below for details.

Impact

A local attacker could supply a specially crafted keymap file possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All libxkbcommon users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libxkbcommon-0.8.2"

References

[ 1 ] CVE-2018-15853 : https://nvd.nist.gov/vuln/detail/CVE-2018-15853
[ 2 ] CVE-2018-15854 : https://nvd.nist.gov/vuln/detail/CVE-2018-15854
[ 3 ] CVE-2018-15855 : https://nvd.nist.gov/vuln/detail/CVE-2018-15855
[ 4 ] CVE-2018-15856 : https://nvd.nist.gov/vuln/detail/CVE-2018-15856
[ 5 ] CVE-2018-15857 : https://nvd.nist.gov/vuln/detail/CVE-2018-15857
[ 6 ] CVE-2018-15858 : https://nvd.nist.gov/vuln/detail/CVE-2018-15858
[ 7 ] CVE-2018-15859 : https://nvd.nist.gov/vuln/detail/CVE-2018-15859
[ 8 ] CVE-2018-15861 : https://nvd.nist.gov/vuln/detail/CVE-2018-15861
[ 9 ] CVE-2018-15862 : https://nvd.nist.gov/vuln/detail/CVE-2018-15862
[ 10 ] CVE-2018-15863 : https://nvd.nist.gov/vuln/detail/CVE-2018-15863
[ 11 ] CVE-2018-15864 : https://nvd.nist.gov/vuln/detail/CVE-2018-15864

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201810-05

Original Source

Url : http://security.gentoo.org/glsa/glsa-201810-05.xml

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® 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
1
Date Informations
2018-11-01 21:22:19
  • Multiple Updates
2018-10-31 00:18:52
  • First insertion