CVE-2019-6445 Null dereference in n/a

Medium 6.5 Published Updated

An authenticated attacker can crash the NTPsec time server by triggering a NULL pointer dereference in the control interface.

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-2019-6445?

CVE-2019-6445 is a medium-severity vulnerability in n/a, published on 16 Jan 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can cause a NULL pointer dereference and ntpd crash in ntp_control.c, related to ctl_getitem.

Weakness: CWE-476

Which versions are affected by CVE-2019-6445?

It affects 1 product.

Products include Ntpsec Ntpsec.

How do I fix CVE-2019-6445?

Upgrade to a fixed version.

Is CVE-2019-6445 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-6445 exists.

Public exploit code: 2 Exploit-DB entries.

Sources

Also known as DEBIAN-CVE-2019-6445, GHSA-48cf-q482-5pp4, UBUNTU-CVE-2019-6445.

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