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Gentoo Linux Security Advisory                           GLSA 201908-05
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: LibVNCServer: Multiple vulnerabilities
     Date: August 09, 2019
     Bugs: #659560, #673508
       ID: 201908-05

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Synopsis
========

Multiple vulnerabilities have been found in LibVNCServer, the worst of
which could result in the arbitrary execution of code.

Background
==========

LibVNCServer/LibVNCClient are cross-platform C libraries that allow you
to easily implement VNC server or client functionality in your program.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-libs/libvncserver        < 0.9.12                  >= 0.9.12 

Description
===========

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

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All LibVNCServer users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-libs/libvncserver-0.9.12"

References
==========

[ 1 ] CVE-2018-20019
      https://nvd.nist.gov/vuln/detail/CVE-2018-20019
[ 2 ] CVE-2018-20020
      https://nvd.nist.gov/vuln/detail/CVE-2018-20020
[ 3 ] CVE-2018-20021
      https://nvd.nist.gov/vuln/detail/CVE-2018-20021
[ 4 ] CVE-2018-20022
      https://nvd.nist.gov/vuln/detail/CVE-2018-20022
[ 5 ] CVE-2018-20023
      https://nvd.nist.gov/vuln/detail/CVE-2018-20023
[ 6 ] CVE-2018-20024
      https://nvd.nist.gov/vuln/detail/CVE-2018-20024
[ 7 ] CVE-2018-7225
      https://nvd.nist.gov/vuln/detail/CVE-2018-7225
[ 8 ] CVE-2018-7226
      https://nvd.nist.gov/vuln/detail/CVE-2018-7226

Availability
============

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

 https://security.gentoo.org/glsa/201908-05

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.

License
=======

Copyright 2019 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5