National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-0727 Detail

Current 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.

Source:  MITRE
Description Last Modified:  04/14/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Provides administrator access
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/81552 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1034808 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3096-1 Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050 Issue Tracking Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1382369 Issue Tracking

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-0727
NVD Published Date:
04/14/2017
NVD Last Modified:
04/20/2017