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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-4.2.8p9 was released on 21 November 2016. It addresses 1 high- (Windows only), 2 medum-, 2 medum-/low-, and 5 low-severity security issues, 28 bugfixes, and contains other improvements over 4.2.8p8.

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

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

50 Recent Changes in Main Web retrieved at 09:25 (GMT)

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Network Time Foundation's NTP Support Wiki Providing public support services for Time Foundation's NTP Project and hosting the IETF NTP Working Group. Copyright for ...
NTP Bug 3119 Mode 6 unauthenticated trap information disclosure and DDoS vector Date Resolved: 21 Nov 2016 References: 3119 / / http://www.kb.cert.org ...
NTP Bug 3067 Fix for bug 2085 broke initial sync calculations Date Resolved: 21 Nov 2016 References: 3067 / / http://www.kb.cert.org/vuls/id/633847 VU ...
NTP Bug 3071 Client rate limiting and server responses Date Resolved: 21 Nov 2016 References: 3071 / / http://www.kb.cert.org/vuls/id/633847 VU#633847 ...
NTP Bug 3072 Attack on interface selection Date Resolved: 21 Nov 2016 References: 3072 / / http://www.kb.cert.org/vuls/id/633847 VU#633847 Affects ...
NTP Bug 3082 read mru list() does inadequate incoming packet checks Date Resolved: 21 Nov 2016 References: 3082 / / http://www.kb.cert.org/vuls/id/633847 ...
NTP Bug 3102 Zero Origin timestamp regression Date Resolved: 21 Nov 2016 References: 3102 / / http://www.kb.cert.org/vuls/id/633847 VU#633847 Affects ...
NTP Bug 3110 Windows: ntpd DoS by oversized UDP packet Date Resolved: 21 Nov 2016 References: 3110 / / http://www.kb.cert.org/vuls/id/633847 VU#633847 ...
NTP Bug 3113 Broadcast Mode Poll Interval Enforcement DoS Date Resolved: 21 Nov 2016 References: 3113 / / http://www.kb.cert.org/vuls/id/633847 VU#633847 ...
NTP Bug 3114 Broadcast Mode Replay Prevention DoS Date Resolved: 21 Nov 2016 References: 3114 / / http://www.kb.cert.org/vuls/id/633847 VU#633847 ...
NTP Bug 3118 Mode 6 unauthenticated trap information disclosure and DDoS vector Date Resolved: 21 Nov 2016 References: 3118 / / http://www.kb.cert.org ...
Security Notice Notification Policy When we discover a security vulnerability in NTP we first notify Institutional members of the Consortium at Network Time Foundation ...
Stable 4.2.8p9 2016/11/21 Development 4.3.93 2016/06/02
NTP Software Development New users should consult the documentation page before contacting the NTP development team with questions. Bugzilla Tracking of NTP bugs ...
Donating to the Project Donation Goals As the NTP Public Services Project's userbase has grown, the needs of the project, as well as a number of people who want ...
NTP Bug 3042 Broadcast interleave Date Resolved: 02 June 2016; Dev (4.3.93) 02 June 2016 References: 3042 / CVE 2016 4956 / VU#321640 Affects: ntp ...
NTP Bug 3043 Autokey association reset Date Resolved: 02 June 2016; Dev (4.3.93) 02 June 2016 References: 3043 / CVE 2016 4955 / VU#321640 Affects ...
NTP Bug 3044 Processing spoofed server packets Date Resolved: 02 June 2016; Dev (4.3.93) 02 June 2016 References: 3044 / CVE 2016 4954 / VU#321640 ...
NTP Bug 3045 Bad authentication demobilizes ephemeral associations Date Resolved: 02 June 2016; Dev (4.3.93) 02 June 2016 References: 3045 / CVE 2016 4953 ...
NTP Bug 3046 CRYPTO NAK crash Date Resolved: 02 June 2016; Dev (4.3.93) 02 June 2016 References: 3046 / CVE 2016 4957 / VU#321640 Affects: ntp 4.2 ...
NTP Bug 3020 Refclock impersonation vulnerability Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr 2016 References: 3020 / CVE 2016 1551 ...
NTP Bug 3011 Duplicate IPs on unconfig directives will cause an assertion botch in ntpd Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr 2016 ...
NTP Bug 3010 remote configuration trustedkey/requestkey/controlkey values are not properly validated Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92 ...
NTP Bug 3009 Crafted addpeer with hmode 7 causes array wraparound with MATCH ASSOC Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr ...
NTP Bug 3008 ctl getitem() return value not always checked Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr 2016 References: 3008 / CVE ...
NTP Bug 2945 0rigin: Zero Origin Timestamp Bypass Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 References: 2945 / CVE 2015 8138 ...
NTP Bug 3007 CRYPTO NAK DoS Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr 2016 References: 3007 / CVE 2016 1547 / VU#718152 Affects ...
NTP Bug 2952 Original fix for NTP Bug 2901 broke peer associations Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr 2016 References: 2952 ...
NTP Bug 2879 Improve NTP security against buffer comparison timing attacks Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr 2016 References ...
NTP Bug 3012 Sybil vulnerability: ephemeral association attack Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr 2016 References: 3012 / ...
NTP Bug 2978 Interleave pivot Date Resolved: Stable (4.2.8p7) 26 Apr 2016; Dev (4.3.92) 26 Apr 2016 References: 2978 / CVE 2016 1548 / VU#718152 Affects ...
NTP Bug 2948 Potential Infinite Loop in ntpq Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 References: 2548 / CVE 2015 8158 ...
NTP Bug 2947 ntpq protocol vulnerable to replay attacks Date Resolved: Stable (4.2.8p7) XX Feb 2016; Dev (4.3.XX) XX Feb 2016 References: 2547 / CVE 2015 ...
NTP Bug 2946 Origin Leak: ntpq and ntpdc Disclose Origin Timestamp to Unauthenticated Clients Date Resolved: Stable (4.2.8p7) XX Feb 2016; Dev (4.3.XX) XX ...
NTP Bug 2935 Deja Vu: Replay attack on authenticated broadcast mode Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 References: 2935 ...
NTP Bug 2936 Skeleton Key: Any trusted key system can serve time Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 References: 2936 ...
NTP Bug 2937 nextvar() missing length check in ntpq Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 References: 2937 / CVE 2015 ...
NTP Bug 2938 ntpq saveconfig command allows dangerous characters in filenames Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 References ...
NTP Bug 2939 reslist NULL pointer dereference Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 References: 2939 / CVE 2015 7977 ...
NTP Bug 2940 Stack exhaustion in recursive traversal of restriction list Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 References ...
NTP Bug 2942 Off path Denial of Service (DoS) attack on authenticated broadcast mode Date Resolved: Stable (4.2.8p6) 19 Jan 2016; Dev (4.3.90) 19 Jan 2016 ...
NTP Bug 2956 Small step/big step Date Resolved: Stable (4.2.8p5) 07 Jan 2016; Dev (4.3.78) 07 Nov 2015 References: 2956 / CVE 2015 5300 Affects: All ...
Software Downloads Current versions of NTP Source Code Releases (tarballs) RSS Feed for releases of NTP The NTP Reference Implementation is Source Code Releases ...
NTP Bug 2941 NAK to the Future: Symmetric association authentication bypass via crypto NAK Date Resolved: Stable (4.2.8p4) 21 Oct 2015 References: 2941 ...
NTP Bug 2922 decodenetnum() will ASSERT botch instead of returning FAIL on some bogus values. Date Resolved: Stable (4.2.8p4) 21 Oct 2015 References: 2922 ...
NTP Bug 2921 TALOS CAN 0065: Password Length Memory Corruption Vulnerability Date Resolved: Stable (4.2.8p4) 21 Oct 2015 References: 2921 / CVE 2015 7854 ...
NTP Bug 2920 TALOS CAN 0064: Invalid length data provided by a custom refclock driver could cause a buffer overflow. Date Resolved: Stable (4.2.8p4) 21 Oct 2015 ...
NTP Bug 2919 TALOS CAN 0063: ntpq atoascii() potential memory corruption Date Resolved: Stable (4.2.8p4) 21 Oct 2015 References: 2919 / CVE 2015 7852 ...
NTP Bug 2918 TALOS CAN 0062: Potential path traversal vulnerability in the config file saving of ntpd on VMS. Date Resolved: Stable (4.2.8p4) 21 Oct 2015 ...
Number of topics: 50

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