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Alerts This Week
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Gentoo: 202105-37 Normal: Nextcloud Desktop Client Remote Risk

gentoo
Calendar Grey May 26, 2021
Dist Gentoo Esm H88
The recent Nextcloud advisory GLSA 202105-38 highlights a moderate severity vulnerability that permits remote code execution.
A vulnerability in Nextcloud Desktop Client could allow a remote attacker to execute arbitrary commands.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo code execution arbitrary code execution remote execution remote threat arbitrary commands normal severity nextcloud client

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
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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.

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

Topics%20covered

Topics Covered

security advisory gentoo code execution arbitrary code execution remote execution remote threat arbitrary commands normal severity nextcloud client

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.

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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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