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NTP < 4.2.8p3 DoS Vulnerability

Information

Severity

Severity

Low

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

3.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

1 year ago

Modified

Modified

1 year ago

Summary

Under limited and specific circumstances an attacker can send a crafted packet to cause a vulnerable ntpd instance to crash. This requires each of the following to be true: - ntpd set up to allow for remote configuration (not allowed by default), and - knowledge of the configuration password, and - access to a computer entrusted to perform remote configuration.

Insight

Insight

Please see the references for more information on the vulnerabilities.

Affected Software

Affected Software

NTPd version prior to 4.2.8p3, 4.3.x prior to version 4.3.25.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 4.2.8p3, 4.3.25 or later.

Common Vulnerabilities and Exposures (CVE)