CVE-2016-0727

HIGH

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.

References

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

Details

Source: MITRE

Published: 2017-04-14

Updated: 2017-04-20

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH