Wind River Support Network


LIN6-12578 : CLONE - Security Advisory - ntp - CVE-2016-9042

Created: Mar 23, 2017    Updated: Dec 3, 2018
Resolved Date: Mar 26, 2017
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: Userspace


An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted peers will fail the origin timestamp check (TEST2) causing the reply to be dropped and creating a denial of service condition. This vulnerability can only be exploited if the attacker can spoof all of the servers.

Affects: ntp-4.2.8p9 (21 Nov 2016), up to but not including ntp-4.2.8p10

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