CVE-2016-0727 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.html http://www.securityfocus.com/bid/81552 http://www.securitytracker.com/id/1034808 http://www.ubuntu.com/usn/USN-3096-1 https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050 https://bugzilla.redhat.com/show_bug.cgi?id=1382369

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8