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Gentoo: GLSA-202104-15 Critical: libu2f-host Remote Exploitation Threat

gentoo
Calendar Grey April 30, 2020
Dist Gentoo Esm H88
Several security flaws detected in the libu2f-host library, posing possible code execution threats. Prompt update advised.
Multiple vulnerabilities have been found in libu2f-host, the worst of which could result in the execution of code.

Summary

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

Topics%20covered

Topics Covered

security advisory high severity gentoo code execution multiple risks libu2f-host

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
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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: High
Title: libu2f-host: Multiple vulnerabilities
Date: April 30, 2020
Bugs: #678580, #679724
ID: 202004-15

Topics%20covered

Topics Covered

security advisory high severity gentoo code execution multiple risks libu2f-host

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.

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Affected Packages

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

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.

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