Executive Summary

Summary
Title libu2f-host: Multiple vulnerabilities
Informations
Name GLSA-202004-15 First vendor Publication 2020-04-30
Vendor Gentoo Last vendor Modification 2020-04-30
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
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Detail

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.

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

Original Source

Url : http://security.gentoo.org/glsa/glsa-202004-15.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

Alert History

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0
Date Informations
2020-05-01 05:18:48
  • First insertion