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CVE-2016-1550

5.3 · MEDIUM

An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92.

Published Jan 6, 2017CWE-200EPSS 3.60%

Overview

CVE-2016-1550 is a medium-severity vulnerability. It was published on January 6, 2017 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.fedoraproject.org/pipermail/package-announce/2016-May/183647.htmlReflists.fedoraproject.org/pipermail/package-announce/2016-May/184669.htmlReflists.opensuse.org/opensuse-security-announce/2016-05/msg00034.htmlReflists.opensuse.org/opensuse-security-announce/2016-05/msg00037.htmlReflists.opensuse.org/opensuse-security-announce/2016-05/msg00052.htmlReflists.opensuse.org/opensuse-security-announce/2016-06/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2016-06/msg00020.htmlReflists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlReflists.opensuse.org/opensuse-security-announce/2016-08/msg00042.htmlReflists.opensuse.org/opensuse-updates/2016-05/msg00114.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-1550?

CVE-2016-1550 is a medium-severity vulnerability. It was published on January 6, 2017 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

How severe is CVE-2016-1550?

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-1550?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-1550?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-1550 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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