CVE-2016-4956

11 documents10 sources
Severity
5.3MEDIUM
EPSS
1.1%
top 21.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
NTP NTPNovell Suse ManagerOpensuse Leap+6 more
Timeline
PublishedJul 5
Latest updateMay 13

Description

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages10 packages

▶NVDntp/ntp4.2.0 — 4.2.8+2
▶Debianntp< 1:4.2.8p8+dfsg-1
▶NVDopensuse/leap42.1
▶NVDoracle/solaris10, 11.3+1

🔴Vulnerability Details

3
GHSA
GHSA-3cjf-rf3w-p8j9: ntpd in NTP 4↗2022-05-13
▶
OSV
CVE-2016-4956: ntpd in NTP 4↗2016-07-05
▶
CVEList
CVE-2016-4956: ntpd in NTP 4↗2016-07-05
▶

📋Vendor Advisories

5
Ubuntu
NTP vulnerabilities↗2016-10-05
▶
BSD
FreeBSD-SA-16:24.ntp: Multiple vulnerabilities of ntp↗2016-06-04
▶
Cisco
Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: June 2016↗2016-06-03
▶
Red Hat
ntp: broadcast interleave (incomplete fix for CVE-2016-1548)↗2016-06-02
▶
Debian
CVE-2016-4956: ntp - ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of serv...↗2016
▶

💬Community

2
Bugzilla
CVE-2015-8139 CVE-2016-4954 CVE-2016-4955 CVE-2016-4956 ntp: various flaws [fedora-all]↗2016-06-02
▶
Bugzilla
CVE-2016-4956 ntp: broadcast interleave (incomplete fix for CVE-2016-1548)↗2016-05-30
▶