CVE-2017-6455 Code injection in n/a

High 7.0 Published 27 Mar 2017 Updated 5 Aug 2024

Local attackers can gain privileges by exploiting DLL injection via the PPSAPI_DLLS environment variable in NTP when PPSAPI is enabled.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-6455?

CVE-2017-6455 is a high-severity code injection vulnerability in Ntp Ntp, published on 27 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NTP before 4.2.8p10 and 4.3.x before 4.3.94, when using PPSAPI, allows local users to gain privileges via a DLL in the PPSAPI_DLLS environment variable.

Weakness: CWE-94

Which versions are affected by CVE-2017-6455?

It affects 1 product.

Products include Ntp Ntp.

How do I fix CVE-2017-6455?

No fix has been published for CVE-2017-6455 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2017-6455 being exploited?

There is no known exploitation of CVE-2017-6455 in the wild and no public exploit code.

All Ntp Ntp vulnerabilities

Sources

Also known as GHSA-xcr3-hhwm-r755.