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Gentoo: GLSA-201412-34 High: NTP Remote Code Execution Risk Advisory

gentoo
Calendar Grey December 24, 2014
Scroller Gentoo
Urgent security flaws discovered in NTP software with critical severity. Gentoo Linux users must update promptly.
Multiple vulnerabilities have been found in NTP, the worst of which could result in remote execution of arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo remote code execution multiple issues high NTP

Resolution

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

References

[ 1 ] CVE-2014-9293 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9293 [ 2 ] CVE-2014-9294 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9294 [ 3 ] CVE-2014-9295 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9295 [ 4 ] CVE-2014-9296 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9296

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201412-34
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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: NTP: Multiple vulnerabilities
Date: December 24, 2014
Bugs: #533076
ID: 201412-34

Topics%20covered

Topics Covered

security advisory gentoo remote code execution multiple issues high NTP

Synopsis

Multiple vulnerabilities have been found in NTP, the worst of which could result in remote execution of arbitrary code.

Background

NTP is a protocol designed to synchronize the clocks of computers over a network. The net-misc/ntp package contains the official reference implementation by the NTP Project.

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Affected Packages

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

Impact

===== A remote unauthenticated attacker may be able to execute arbitrary code with the privileges of the process, cause a Denial of Service condition, and obtain sensitive information that could assist in other attacks.

Workaround

There is no known workaround at this time.