CVE-2016-0727

Published on: 04/14/2017 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:14 PM UTC

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

Certain versions of Ubuntu Linux from Canonical contain the following vulnerability:

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.

  • CVE-2016-0727 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 7.2 - HIGH

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags Link
NTP Privilege Escalation ≈ Packet Storm Exploit
Third Party Advisory
VDB Entry
packetstormsecurity.com
text/html
URL Logo MISC packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.html
NTP Cronjob Script CVE-2016-0727 Local Privilege Escalation Vulnerability Third Party Advisory
VDB Entry
cve.report (archive)
text/html
URL Logo BID 81552
Bug #1528050 “NTP statsdir cleanup cronjob insecure” : Bugs : ntp package : Ubuntu Issue Tracking
Patch
Vendor Advisory
bugs.launchpad.net
text/html
URL Logo CONFIRM bugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050
ntp Debian/Ubuntu Cron Job Lets Local Users Obtain Root Privileges - SecurityTracker Third Party Advisory
VDB Entry
www.securitytracker.com
text/html
URL Logo SECTRACK 1034808
USN-3096-1: NTP vulnerabilities | Ubuntu Vendor Advisory
www.ubuntu.com
text/html
URL Logo UBUNTU USN-3096-1
1382369 – (CVE-2016-0727) CVE-2016-0727 ntp: Privilege escalation via cronjob Issue Tracking
bugzilla.redhat.com
text/html
URL Logo CONFIRM bugzilla.redhat.com/show_bug.cgi?id=1382369

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
CanonicalUbuntu Linux12.04AllAllAll
Operating
System
CanonicalUbuntu Linux14.04AllAllAll
Operating
System
CanonicalUbuntu Linux16.04AllAllAll
Operating
System
CanonicalUbuntu Linux12.04AllAllAll
Operating
System
CanonicalUbuntu Linux14.04AllAllAll
Operating
System
CanonicalUbuntu Linux16.04AllAllAll
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*:
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*:
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*:
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*:
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*:
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*: