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CVE-2016-0727

7.8 · HIGH

The crontab script in the ntp package before 1:4.2.6.p3+dfsg-1ubuntu3.11 on Ubuntu 12.04 LTS, before 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10 on Ubuntu 14.04 LTS, on Ubuntu Wily, and before 1:4.2.8p4+dfsg…

Published Apr 14, 2017CWE-264EPSS 1.25%

Overview

CVE-2016-0727 is a high-severity vulnerability. It was published on April 14, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The crontab script in the ntp package before 1:4.2.6.p3+dfsg-1ubuntu3.11 on Ubuntu 12.04 LTS, before 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10 on Ubuntu 14.04 LTS, on Ubuntu Wily, and before 1:4.2.8p4+dfsg-3ubuntu5.3 on Ubuntu 16.04 LTS allows local users with access to the ntp account to write to arbitrary files and consequently gain privileges via vectors involving statistics directory cleanup.

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

Refpacketstormsecurity.com/files/141913/NTP-Privilege-Escalation.htmlRefwww.securityfocus.com/bid/81552Refwww.securitytracker.com/id/1034808Refwww.ubuntu.com/usn/USN-3096-1Refbugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050Refbugzilla.redhat.com/show_bug.cgi?id=1382369Refpacketstormsecurity.com/files/141913/NTP-Privilege-Escalation.htmlRefwww.securityfocus.com/bid/81552Refwww.securitytracker.com/id/1034808Refwww.ubuntu.com/usn/USN-3096-1

How CyberStrike helps

Frequently asked questions

What is CVE-2016-0727?

CVE-2016-0727 is a high-severity vulnerability. It was published on April 14, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2016-0727?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-0727?

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-2016-0727?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-0727 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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