NULL pointer dereference in NTPsec - CVE-2019-6445
Published: January 24, 2019 / Updated: June 17, 2021
Vulnerability identifier: #VU17184
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-6445
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: The NTPsec project
Affected software:
NTPsec
NTPsec
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote authenticated attacker can trigger NULL pointer dereference and ntpd crash in ntp_control.c, related to ctl_getitem. A remote attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2019-6445
Update to version 1.1.3.