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Gentoo Linux: GLSA-201607-15 Normal: NTP Denial of Service

gentoo
Calendar Grey July 20, 2016
Dist Gentoo Esm H88
An NTP security bulletin for Gentoo Linux outlines several vulnerabilities and suggests necessary updates to reduce potential threats.
Multiple vulnerabilities have been found in NTP, the worst of which could lead to Denial of Service.

Summary

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

Topics%20covered

Topics Covered

security advisory denial of service Gentoo multiple vulnerabilities normal severity NTP

Resolution

All NTP users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/ntp-4.2.8_p8"

References

[ 1 ] CVE-2015-7691 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7691 [ 2 ] CVE-2015-7692 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7692 [ 3 ] CVE-2015-7701 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7701 [ 4 ] CVE-2015-7702 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7702 [ 5 ] CVE-2015-7703 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7703 [ 6 ] CVE-2015-7704 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7704 [ 7 ] CVE-2015-7705 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7705 [ 8 ] CVE-2015-7848 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7848 [ 9 ] CVE-2015-7849 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7849 [ 10 ] CVE-2015-7850 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7850 [ 11 ] CVE-2015-7851 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7851 [ 12 ] CVE-2015-7852 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7852 [ 13 ] CVE-2015-7853 http://nvd.nist.gov/nvd.cfm?cvena...

Read the Full Advisory

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201607-15
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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: Normal
Title: NTP: Multiple vulnerabilities
Date: July 20, 2016
Bugs: #563774, #572452, #581528, #584954
ID: 201607-15

Topics%20covered

Topics Covered

security advisory denial of service Gentoo multiple vulnerabilities normal severity NTP

Synopsis

Multiple vulnerabilities have been found in NTP, the worst of which could lead to Denial of Service.

Background

NTP contains software for the Network Time Protocol.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/ntp < 4.2.8_p8 >= 4.2.8_p8

Impact

===== A remote attacker could possibly cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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