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Gentoo Linux Security Advisory                           GLSA 201903-16
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: OpenSSH: Multiple vulnerabilities
     Date: March 20, 2019
     Bugs: #675520, #675522
       ID: 201903-16

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Synopsis
=======
Multiple vulnerabilities have been found in OpenSSH, the worst of which
could allow a remote attacker to gain unauthorized access.

Background
=========
OpenSSH is a complete SSH protocol implementation that includes SFTP
client and server support.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/openssh           < 7.9_p1-r4              >= 7.9_p1-r4 

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

Impact
=====
A remote attacker could overwrite arbitrary files, transfer malicious
files, or gain unauthorized access.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All OpenSSH users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/openssh-7.9_p1-r4"

References
=========
[ 1 ] CVE-2018-20685
      https://nvd.nist.gov/vuln/detail/CVE-2018-20685
[ 2 ] CVE-2019-6109
      https://nvd.nist.gov/vuln/detail/CVE-2019-6109
[ 3 ] CVE-2019-6110
      https://nvd.nist.gov/vuln/detail/CVE-2019-6110
[ 4 ] CVE-2019-6111
      https://nvd.nist.gov/vuln/detail/CVE-2019-6111

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

 https://security.gentoo.org/glsa/201903-16

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/