CVE-2016-1550 Information disclosure in NTP
An attacker can recover the message digest key by sending crafted messages, compromising NTP authentication integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-1550?
CVE-2016-1550 is a medium-severity vulnerability in Ntp Ntp, published on 6 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.
Weakness: CWE-200
Which versions are affected by CVE-2016-1550?
It affects 1 product.
Products include Ntp Ntp.
How do I fix CVE-2016-1550?
Upgrade to a fixed version.
Is CVE-2016-1550 being exploited?
There is no known exploitation of CVE-2016-1550 in the wild and no public exploit code.
Other vulnerabilities in Ntp Ntp
Sources
Also known as DEBIAN-CVE-2016-1550, GHSA-vg2m-563f-34vv, UBUNTU-CVE-2016-1550.