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.
References (6)
Core 6
Core References
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201710-20
Patch, Vendor Advisory x_refsource_confirm
https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cb
Patch, Vendor Advisory x_refsource_confirm
https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752
Release Notes, Vendor Advisory x_refsource_confirm
https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100403
Issue Tracking, Vendor Advisory x_refsource_confirm
https://github.com/NagiosEnterprises/nagioscore/issues/404
Scores
CVSS v3
6.3
EPSS
0.0004
EPSS Percentile
12.3%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Details
CWE
CWE-665
Status
published
Products (1)
nagios/nagios
< 4.3.2
Published
Aug 23, 2017
Tracked Since
Feb 18, 2026