QID 38892

Date Published: 2023-05-25

QID 38892: Network Time Protocol NULL Pointer Dereference Vulnerability (ntp-4.2.8p13)

The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source.

A crafted malicious authenticated mode 6 (ntpq) packet from a permitted network address can trigger a NULL pointer dereference, crashing ntpd.

Affected Versions:
Prior to 4.2.8p13.
QID Detection Logic (remote):
This QID reviews the NTP banner.

Successful exploitation allows attacker to compromise the system.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

The vendor has released fixes to resolve these issues. Refer to ntp 4.2.8p13 to obtain additional details.

Vendor References

4.2.8p13 - www.ntp.org/support/securitynotice/#428p13

CVEs related to QID 38892

CVE-2019-8936 |

Software Advisories

Advisory ID	Software	Component	Link
4.2.8p13			www.ntp.org/downloads.html

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