CVE-2017-12847 Information

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.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/100403 https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752 https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cb https://github.com/NagiosEnterprises/nagioscore/issues/404 https://security.gentoo.org/glsa/201710-20

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.3