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VuXML IDDescription
591a706b-5cdc-11ea-9a0a-206a8a720317ntp -- Multiple vulnerabilities

nwtime.org reports:

Three ntp vulnerabilities, Depending on configuration, may have little impact up to termination of the ntpd process.

NTP Bug 3610: Process_control() should exit earlier on short packets. On systems that override the default and enable ntpdc (mode 7) fuzz testing detected that a short packet will cause ntpd to read uninitialized data.

NTP Bug 3596: An unauthenticated unmonitored ntpd is vulnerable to attack on IPv4 with highly predictable transmit timestamps. An off-path attacker who can query time from the victim's ntp which receives time from an unauthenticated time source must be able to send from a spoofed IPv4 address of upstream ntp server and and the victim must be able to process a large number of packets with the spoofed IPv4 address of the upstream server. After eight or more successful attacks in a row the attacker can either modify the victim's clock by a small amount or cause ntpd to terminate. The attack is especially effective when unusually short poll intervals have been configured.

NTP Bug 3592: The fix for https://bugs.ntp.org/3445 introduced a bug such that a ntp can be prevented from initiating a time volley to its peer resulting in a DoS.

All three NTP bugs may result in DoS or terimation of the ntp daemon.


Discovery 2019-05-30
Entry 2020-03-03
FreeBSD
ge 11.3 lt 11.3_7

ge 12.1 lt 12.1_3

ntp
lt 4.2.8p14

ntp-devel
le 4.3.99_6

SA-20:09.ntp
8db8d62a-b08b-11e6-8eba-d050996490d0ntp -- multiple vulnerabilities

Network Time Foundation reports:

NTF's NTP Project is releasing ntp-4.2.8p9, which addresses:

  • 1 HIGH severity vulnerability that only affects Windows
  • 2 MEDIUM severity vulnerabilities
  • 2 MEDIUM/LOW severity vulnerabilities
  • 5 LOW severity vulnerabilities
  • 28 other non-security fixes and improvements

All of the security issues in this release are listed in VU#633847.


Discovery 2016-11-21
Entry 2016-11-22
ntp
lt 4.2.8p9

ntp-devel
gt 0

CVE-2016-7426
CVE-2016-7427
CVE-2016-7428
CVE-2016-7429
CVE-2016-7431
CVE-2016-7433
CVE-2016-7434
CVE-2016-9310
CVE-2016-9311
CVE-2016-9312
http://support.ntp.org/bin/view/Main/SecurityNotice#November_2016_ntp_4_2_8p9_NTP_Se
http://www.kb.cert.org/vuls/id/633847
af485ef4-1c58-11e8-8477-d05099c0ae8cntp -- multiple vulnerabilities

Network Time Foundation reports:

The NTP Project at Network Time Foundation is releasing ntp-4.2.8p11.

This release addresses five security issues in ntpd:

  • LOW/MEDIUM: Sec 3012 / CVE-2016-1549 / VU#961909: Sybil vulnerability: ephemeral association attack
  • INFO/MEDIUM: Sec 3412 / CVE-2018-7182 / VU#961909: ctl_getitem(): buffer read overrun leads to undefined behavior and information leak
  • LOW: Sec 3415 / CVE-2018-7170 / VU#961909: Multiple authenticated ephemeral associations
  • LOW: Sec 3453 / CVE-2018-7184 / VU#961909: Interleaved symmetric mode cannot recover from bad state
  • LOW/MEDIUM: Sec 3454 / CVE-2018-7185 / VU#961909: Unauthenticated packet can reset authenticated interleaved association

one security issue in ntpq:

  • MEDIUM: Sec 3414 / CVE-2018-7183 / VU#961909: ntpq:decodearr() can write beyond its buffer limit

and provides over 33 bugfixes and 32 other improvements.


Discovery 2018-02-27
Entry 2018-02-28
Modified 2018-03-14
FreeBSD
ge 11.1 lt 11.1_7

ge 10.4 lt 10.4_6

ge 10.3 lt 10.3_27

ntp
lt 4.2.8p11

ntp-devel
gt 0

CVE-2016-1549
CVE-2018-7182
CVE-2018-7170
CVE-2018-7184
CVE-2018-7185
CVE-2018-7183
SA-18:02.ntp
http://support.ntp.org/bin/view/Main/SecurityNotice#February_2018_ntp_4_2_8p11_NTP_S