[ GLSA 201903-01 ] Keepalived: Multiple vulnerabilities


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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

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Package / Vulnerable / Unaffected
——————————————————————-
1 sys-cluster/keepalived 2.0.10=20

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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