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Gentoo Linux Security Advisory                           GLSA 201903-01
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Keepalived: Multiple vulnerabilities
     Date: March 10, 2019
     Bugs: #670856
       ID: 201903-01

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Synopsis
========

Multiple vulnerabilities have been found in Keepalived, the worst of
which could allow an attacker to cause Denial of Service condition.

Background
==========

Keepalived is a strong & robust keepalive facility to the Linux Virtual
Server project.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-cluster/keepalived       < 2.0.10                  >= 2.0.10 

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

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

Impact
======

A remote attacker could send a specially crafted request possibly
resulting in a Denial of Service condition. A local attacker could
perform symlink attacks to overwrite arbitrary files with the
privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Keepalived users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose
 ">=sys-cluster/keepalived-2.0.10"

References
==========

[ 1 ] CVE-2018-19044
      https://nvd.nist.gov/vuln/detail/CVE-2018-19044
[ 2 ] CVE-2018-19045
      https://nvd.nist.gov/vuln/detail/CVE-2018-19045
[ 3 ] CVE-2018-19046
      https://nvd.nist.gov/vuln/detail/CVE-2018-19046
[ 4 ] CVE-2018-19115
      https://nvd.nist.gov/vuln/detail/CVE-2018-19115

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

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

 https://security.gentoo.org/glsa/201903-01

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

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