Access Restriction Bypass The advisory has been revoked - it doesn't affect any version of package ntp (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1704-NTP-623493
- published14 Apr 2017
- disclosed14 Apr 2017
Introduced: 14 Apr 2017
CVE-2016-0727 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:17.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ntp package and not the ntp package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-0727
- https://security-tracker.debian.org/tracker/CVE-2016-0727
- http://packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.html
- https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050
- https://bugzilla.redhat.com/show_bug.cgi?id=1382369
- http://www.securityfocus.com/bid/81552
- http://www.securitytracker.com/id/1034808
- http://www.ubuntu.com/usn/USN-3096-1