CVE-2017-6460 Memory corruption in n/a
A stack-based buffer overflow in NTP's ntpq utility allows remote servers to cause unspecified impacts, likely code execution or denial of service, via a long flagstr variable.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-6460?
CVE-2017-6460 is a high-severity memory corruption vulnerability in Ntp Ntp, published on 27 Mar 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Stack-based buffer overflow in the reslist function in ntpq in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote servers have unspecified impact via a long flagstr variable in a restriction list response.
Weakness: CWE-119
Which versions are affected by CVE-2017-6460?
It affects 1 product.
Products include Ntp Ntp.
How do I fix CVE-2017-6460?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-6460 being exploited?
There is no known exploitation of CVE-2017-6460 in the wild and no public exploit code.
Other vulnerabilities in Ntp Ntp
Sources
Also known as DEBIAN-CVE-2017-6460, GHSA-8c4c-pjc2-qr4r, UBUNTU-CVE-2017-6460.