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Sigurnosni nedostaci programske biblioteke libu2f-host

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Gentoo Linux Security Advisory GLSA 202004-15
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https://security.gentoo.org/
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Severity: High
Title: libu2f-host: Multiple vulnerabilities
Date: April 30, 2020
Bugs: #678580, #679724
ID: 202004-15

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Synopsis
========

Multiple vulnerabilities have been found in libu2f-host, the worst of
which could result in the execution of code.

Background
==========

Yubico Universal 2nd Factor (U2F) Host C Library.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 app-crypt/libu2f-host < 1.1.10 >= 1.1.10

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

Multiple vulnerabilities have been discovered in libu2f-host. Please
review the CVE identifiers referenced below for details.

Impact
======

A remote attacker could entice a user to plug-in a malicious USB
device, possibly resulting in execution of arbitrary code with the
privileges of the process or a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libu2f-host users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=app-crypt/libu2f-host-1.1.10”

References
==========

[ 1 ] CVE-2018-20340
https://nvd.nist.gov/vuln/detail/CVE-2018-20340
[ 2 ] CVE-2019-9578
https://nvd.nist.gov/vuln/detail/CVE-2019-9578

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

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

https://security.gentoo.org/glsa/202004-15

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

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