Arbitrary Code Execution and Denial of Service Vulnerability in NTP Refclock Driver

Arbitrary Code Execution and Denial of Service Vulnerability in NTP Refclock Driver

CVE-2015-7853 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.

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