Gentoo: GLSA-202105-37: Nextcloud Desktop Client: User-assisted exe...

Advisories

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Gentoo Linux Security Advisory                           GLSA 202105-37
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: Nextcloud Desktop Client: User-assisted execution of
            arbitrary code
      Date: May 26, 2021
      Bugs: #783531
        ID: 202105-37

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Synopsis
========

A vulnerability in Nextcloud Desktop Client could allow a remote
attacker to execute arbitrary commands.

Background
==========

The Nextcloud Desktop Client is a tool to synchronize files from
Nextcloud Server with your computer.

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

     -------------------------------------------------------------------
      Package              /     Vulnerable     /            Unaffected
     -------------------------------------------------------------------
   1  net-misc/nextcloud-client
                                   < 3.1.3                    >= 3.1.3

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

It was discovered that Nextcloud Desktop Client did not validate URLs.

Impact
======

A remote attacker could entice a user to connect to a malicious
Nextcloud server to cause the execution of arbitrary commands with the
privileges of the user running the Nextcloud Desktop Client
application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Nextcloud Desktop Client users should upgrade to the latest
version:

   # emerge --sync
   # emerge --ask --oneshot -v ">=net-misc/nextcloud-client-3.1.3"

References
==========

[ 1 ] CVE-2021-22879
       https://nvd.nist.gov/vuln/detail/CVE-2021-22879

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

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

  https://security.gentoo.org/glsa/202105-37

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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2021 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

Gentoo: GLSA-202105-37: Nextcloud Desktop Client: User-assisted execution of arbitrary cod

Summary

It was discovered that Nextcloud Desktop Client did not validate URLs.

Resolution

All Nextcloud Desktop Client users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=net-misc/nextcloud-client-3.1.3"

References

[ 1 ] CVE-2021-22879 https://nvd.nist.gov/vuln/detail/CVE-2021-22879

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202105-37

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 [email protected] or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity
Severity: Normal
Title: Nextcloud Desktop Client: User-assisted execution of
Issued Date: May 26, 2021
Bugs: #783531
ID: 202105-37

Synopsis

A vulnerability in Nextcloud Desktop Client could allow a remote attacker to execute arbitrary commands.

Background

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/nextcloud-client < 3.1.3 >= 3.1.3

Impact

A remote attacker could entice a user to connect to a malicious Nextcloud server to cause the execution of arbitrary commands with the privileges of the user running the Nextcloud Desktop Client application.

Workaround

There is no known workaround at this time.

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