Access Restriction Bypass Affecting ntp package, versions <1:4.2.8p9+dfsg-2
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Test your applications- Snyk ID SNYK-DEBIAN11-NTP-519301
- published 14 Apr 2017
- disclosed 14 Apr 2017
Introduced: 14 Apr 2017
CVE-2016-0727 Open this link in a new tabHow to fix?
Upgrade Debian:11 ntp to version 1:4.2.8p9+dfsg-2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ntp package and not the ntp package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
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
- 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://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-0727
- http://www.ubuntu.com/usn/USN-3096-1