CVE-2016-7429 — Improper Restriction of Operations within the Bounds of a Memory Buffer in NTP

CWE-18CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-20 — Improper Input ValidationCWE-39911 documents8 sources
Severity
3.7LOWNVD
OSV5.9
EPSS
5.2%
top 10.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
NTPDebian NTP
Timeline
PublishedJan 13
Latest updateMay 14

Description

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 2.2 | Impact: 1.4

Affected Packages4 packages

▶debiandebian/ntp< ntp 1:4.2.8p9+dfsg-1 (bullseye)
▶Debianntp/ntp< 1:4.2.8p9+dfsg-1
▶Ubuntuntp/ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.11+1
▶NVDntp/ntp4.2.8

🔴Vulnerability Details

3
GHSA
GHSA-9h42-3m2m-9456: NTP before 4↗2022-05-14
▶
OSV
ntp vulnerabilities↗2017-07-05
▶
OSV
CVE-2016-7429: NTP before 4↗2017-01-13
▶

📋Vendor Advisories

5
Ubuntu
NTP vulnerabilities↗2017-07-05
▶
Cisco
Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: November 2016↗2016-11-23
▶
Red Hat
ntp: Attack on interface selection↗2016-11-21
▶
Debian
CVE-2016-7429: ntp - NTP before 4.2.8p9 changes the peer structure to the interface it receives the r...↗2016
▶
Cisco
Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: November 2016↗
▶

💬Community

2
Bugzilla
CVE-2016-7426 CVE-2016-7429 CVE-2016-7433 CVE-2016-9310 CVE-2016-9311 ntp: various flaws [fedora-all]↗2016-11-22
▶
Bugzilla
CVE-2016-7429 ntp: Attack on interface selection↗2016-11-22
▶