CVE-2016-7429: ntp DEPRECATED: Source Code
CVSS: 4.3v2.0MediumModified
AliasesUBUNTU-CVE-2016-7429DEBIAN-CVE-2016-7429
Published 13-01-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-7429 is a medium (CVSS 4.3) DEPRECATED: Source Code vulnerability in ntp. EPSS estimates a 7.36% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v2.0 (NVD)EPSS score
7.36%
0%100%
Low · -0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 6Timeline
- 13-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsLow 3.7Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated3.7LowCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated3.7LowCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
7.36%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
-0.06 pp
From 7.42% on 18-09-2026
18-09-202618-10-2026
EPSS score7.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- ntp< 1:4.2.8p9+dfsg-1
Ntp1 product
- ntp≤ 4.2.8
Ubuntu1 product
- ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.11 | < 1:4.2.8p4+dfsg-3ubuntu5.5
3 vendors · 3 products
References
14 links- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlX Refsource CONFIRM
- bto.bluecoat.com/security-advisory/sa139X Refsource CONFIRM