CVE-2016-7429 Denial of service in n/a
Remote attackers can cause denial of service by sending spoofed responses to incorrect interfaces, preventing communication with time sources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7429?
CVE-2016-7429 is a low-severity denial of service vulnerability in Ntp Ntp, published on 13 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-18
Which versions are affected by CVE-2016-7429?
It affects 1 product.
Products include Ntp Ntp.
How do I fix CVE-2016-7429?
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-2016-7429 being exploited?
There is no known exploitation of CVE-2016-7429 in the wild and no public exploit code.
Other vulnerabilities in Ntp Ntp
Sources
Also known as DEBIAN-CVE-2016-7429, GHSA-9h42-3m2m-9456, UBUNTU-CVE-2016-7429.