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Gentoo GLSA-201811-01: X.Org Remote Code Execution Advisory

gentoo
Calendar Grey November 9, 2018
Dist Gentoo Esm H88
Numerous security flaws discovered in Gentoo's X.Org X11 package may lead to remote execution or Denial of Service attacks. Ensure you remain informed!
Multiple vulnerabilities have been found in X.Org X11 library, the worst of which could allow for remote code execution.

Summary

Multiple vulnerabilities have been discovered in X.Org X11 library. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory Gentoo remote code execution Denial of Service multiple vulnerabilities X.Org X11 library

Resolution

All X.Org X11 library users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/libX11-1.6.6"

References

[ 1 ] CVE-2018-14598 https://nvd.nist.gov/vuln/detail/CVE-2018-14598 [ 2 ] CVE-2018-14599 https://nvd.nist.gov/vuln/detail/CVE-2018-14599 [ 3 ] CVE-2018-14600 https://nvd.nist.gov/vuln/detail/CVE-2018-14600

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201811-01
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: X.Org X11 library: Multiple vulnerabilities
Date: November 09, 2018
Bugs: #664184
ID: 201811-01

Topics%20covered

Topics Covered

security advisory Gentoo remote code execution Denial of Service multiple vulnerabilities X.Org X11 library

Synopsis

Multiple vulnerabilities have been found in X.Org X11 library, the worst of which could allow for remote code execution.

Background

X.Org is an implementation of the X Window System. The X.Org X11 library provides the X11 protocol library files.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-libs/libX11 < 1.6.6 >= 1.6.6

Impact

===== A remote attacker, by enticing a user to connect to a malicious server, could cause the execution of arbitrary code with the privileges of the process, or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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