CVE-2016-7428 Denial of service in n/a
Remote attackers can cause a denial of service in the NTP daemon by sending broadcast packets with specific poll intervals.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7428?
CVE-2016-7428 is a medium-severity denial of service vulnerability in Ntp Ntp, published on 13 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via the poll interval in a broadcast packet.
Weakness: CWE-400
Which versions are affected by CVE-2016-7428?
It affects 1 product.
Products include Ntp Ntp.
How do I fix CVE-2016-7428?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-7428 being exploited?
There is no known exploitation of CVE-2016-7428 in the wild and no public exploit code.
Other vulnerabilities in Ntp Ntp
Sources
Also known as DEBIAN-CVE-2016-7428, GHSA-jf98-49c3-8w82, UBUNTU-CVE-2016-7428.