PT-2016-3111 · Nts+1 · Ntp+1

Adam Mariš · Published 2016-01-22 · Updated 2017-04-20 · CVE-2016-0727

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ntp versions prior to 1:4.2.6.p3+dfsg-1ubuntu3.11 ntp versions prior to 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10 ntp versions prior to 1:4.2.8p4+dfsg-3ubuntu5.3

Description The issue is related to the crontab script in the ntp package, which allows local users with access to the ntp account to write to arbitrary files and gain privileges via vectors involving statistics directory cleanup. This is due to insufficient access control.

Recommendations For versions prior to 1:4.2.6.p3+dfsg-1ubuntu3.11, update to version 1:4.2.6.p3+dfsg-1ubuntu3.11 or later. For versions prior to 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10, update to version 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10 or later. For versions prior to 1:4.2.8p4+dfsg-3ubuntu5.3, update to version 1:4.2.8p4+dfsg-3ubuntu5.3 or later.

Exploit

Fix

Weakness Enumeration

CWE-264

Related Identifiers

BDU:2017-01267

CVE-2016-0727

USN-3096-1

Affected Products

Ubuntu

Ntp

References · 35

• 🔥 https://exploit-db.com/exploits/41764 · Exploit
• 🔥 http://packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.html · Exploit
• https://ubuntu.com/security/CVE-2016-1550 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-0727 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-0727 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-7976 · Vendor Advisory
• http://ubuntu.com/usn/USN-3096-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-0727 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-1548 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-7975 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3096-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-0727 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8138 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-7978 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2516 · Vendor Advisory