CVE-2017-12847

low-risk
Published 2017-08-23

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.

Do I need to act?

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0.11% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.3/10 Medium
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Nagios

References (12)

Third Party Advisory http://www.securityfocus.com/bid/100403
Release Notes https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog
Patch https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce...
Patch https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890...
Issue Tracking https://github.com/NagiosEnterprises/nagioscore/issues/404
Third Party Advisory https://security.gentoo.org/glsa/201710-20
Third Party Advisory http://www.securityfocus.com/bid/100403
Release Notes https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog
Patch https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce...
Patch https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890...
Issue Tracking https://github.com/NagiosEnterprises/nagioscore/issues/404
Third Party Advisory https://security.gentoo.org/glsa/201710-20
21
/ 100
low-risk
Severity 16/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal