National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-12847 Detail

Current Description

Nagios Core before 4.3.3 creates a nagios.lock PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for nagios.lock modification before a root script executes a "kill `cat /pathname/nagios.lock`" command.

Source:  MITRE
Description Last Modified:  08/23/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.3 MEDIUM
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H (V3 legend)
Impact Score: 5.2
Exploitability Score: 1.0

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

CVSS v2.0 Severity and Metrics:

Base Score: 6.3 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:N/I:C/A:C) (V2 legend)
Impact Subscore: 9.2
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/100403 Third Party Advisory VDB Entry
https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog Release Notes Vendor Advisory
https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752 Patch Vendor Advisory
https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cb Patch Vendor Advisory
https://github.com/NagiosEnterprises/nagioscore/issues/404 Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/201710-20

Technical Details

Vulnerability Type (View All)

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

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:nagios:nagios:*:*:*:*:*:*:*:*    versions up to (including) 4.3.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-12847
NVD Published Date:
08/23/2017
NVD Last Modified:
10/18/2017