CVE-2016-0727

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 v3.0 NVD

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

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

1.25% chance of exploitation in the next 30 days, 69th percentile

Published

2017-04-14

Updated

2024-08-05

Proof-of-concept exploits (1)

• http://packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.html

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/41764

Security advisories

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

References

• CVE Record
• NVD entry