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Gentoo Linux Security Advisory                           GLSA 202009-09
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Nextcloud Desktop Sync client: Multiple vulnerabilities
     Date: September 13, 2020
     Bugs: #736649
       ID: 202009-09

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Synopsis
========

Multiple vulnerabilities have been found in Nextcloud Desktop Sync
client, the worst of which may allow execution of arbitrary code.

Background
==========

Nextcloud Desktop Sync client can synchronize one or more directories
to Nextcloud server.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/nextcloud-client
                                  < 2.6.5                    >= 2.6.5

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

Multiple vulnerabilities have been discovered in Nextcloud Desktop Sync
client. 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 Nextcloud Desktop Sync client users should upgrade to the latest
version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=net-misc/nextcloud-client-2.6.5"

References
==========

[ 1 ] CVE-2020-8189
      https://nvd.nist.gov/vuln/detail/CVE-2020-8189
[ 2 ] CVE-2020-8224
      https://nvd.nist.gov/vuln/detail/CVE-2020-8224
[ 3 ] CVE-2020-8227
      https://nvd.nist.gov/vuln/detail/CVE-2020-8227

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

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

 https://security.gentoo.org/glsa/202009-09

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 2020 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