CVE-2016-0727

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.28% Top 15%
Vendor Advisory ubuntu.com Vendor Advisory launchpad.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-3096-1 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1382369 issue tracking
http://www.securitytracker.com/id/1034808 vdb entry third party advisory
http://packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.html exploit vdb entry third party advisory
http://www.securityfocus.com/bid/81552 vdb entry third party advisory
https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050 issue tracking patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-0727?
CVE-2016-0727 has been scored as a high severity vulnerability.
How to fix CVE-2016-0727?
To fix CVE-2016-0727, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-0727 being actively exploited in the wild?
It is possible that CVE-2016-0727 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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