NTP users are strongly urged to take immediate action to ensure that their NTP daemons are not susceptible to being used in distributed denial-of-service (DDoS) attacks. Please also take this opportunity to defeat denial-of-service attacks by implementing Ingress and Egress filtering through BCP38.

ntp-4.2.8p13 was released on 07 March 2019. It addresses 1 medium-severity security issue in ntpd, and provides 17 non-security bugfixes and 1 other improvements over 4.2.8p12.

Please see the NTP Security Notice for vulnerability and mitigation details.

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Are you using Autokey in production? If so, please contact Harlan - he's got some questions for you.

TOC Test

a b

c prog

d

-- HarlanStenn - 02 Apr 2011

NTP and CVE-2014-0160 (the OpenSSL "Heartbleed" bug)

On 7 Apr 2014 the OpenSSL project (http://openssl.org) disclosed CVE-2014-0160, a very serious security flaw in an OpenSSL library often referred to as the "Heartbleed" bug. This flaw is present in versions 1.0.1 and 1.0.2-beta (including OpenSSL 1.0.1f and 1.0.2-beta1).

Since NTP can be linked against the OpenSSL libraries, we've been asked if this vulnerability is a potential issue for NTP.

If NTP is linked against the OpenSSL libraries, the only use of them is to provide digital signature support. Since the vulnerabilities of CVE-2014-0160 are in parts of the OpenSSL libraries that are not used by NTP, NTP is NOT at risk from CVE-2014-0160.

Harlan Stenn
NTP Project
Network Time Foundation

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http://developer.linkedin.com/docs/DOC-1101#general-use

http://www.linkedin.com/groups?gid=3762445

NTP Project at LinkedIn

-- HarlanStenn - 2011-01-29

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