CVEvulnerability

CVE-2016-4954

7.5 HIGH Published 2016-07-05 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-07-05
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-362

Description

The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication.

Affected configurations

• ntp ntp (>= 4.2.0 < 4.2.8) • ntp ntp (>= 4.3.0 < 4.3.93) • ntp ntp 4.2.8 • oracle solaris 10 • oracle solaris 11.3 • suse manager 2.1 • suse manager proxy 2.1 • suse openstack cloud 5 • opensuse leap 42.1 • opensuse opensuse 13.2 • suse linux enterprise desktop 12 • suse linux enterprise server 11 • suse linux enterprise server 12 • siemens simatic net cp 443-1 opc ua firmware • siemens tim 4r-ie firmware • siemens tim 4r-ie dnp3 firmware

Related

Weakness · CWE (1)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness

References