CVE-2016-1548

Title:

NETWORK TIME PROTOCOL FORCED INTERLEAVED TIME SPOOFING VULNERABILITY

CVE ID:

CVE-2016-1548

Description:

It was found that an ntpd client could be forced to change from basic client/server mode to the interleaved symmetric mode. A remote attacker could use a spoofed packet that, when processed by an ntpd client, would cause that client to reject all future legitimate server responses, effectively disabling time synchronization on that client.

Find out more about CVE-2016-1548 from the MITRE CVE dictionary and NIST NVD.


CVSS SCORE:

CVSSv2: 6.4 – (AV:N/AC:L/Au:N/C:N/I:P/A:P)
CVSSv3: 7.2 – CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

Mitigation:

ubuntu-upgrade-ntp-ubuntu-12-04-lts

External References:

http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security
http://www.talosintel.com/reports/TALOS-2016-0082/
https://www.rapid7.com/db/vulnerabilities/ubuntu-cve-2016-1548
https://access.redhat.com/security/cve/cve-2016-1548

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