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

http://security.gentoo.org/

Severity:	normal
Title:	Nextcloud Desktop Client: User-assisted execution of arbitrary code
Date:	05/26/2021
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	Architecture(s)
net-misc/nextcloud-client	< 3.1.3	>= 3.1.3	All supported architectures

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 --verbose ">=net-misc/nextcloud-client-3.1.3"

References

CVE-2021-22879

Availability

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

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.