CVE-2017-12847

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.

Category

6.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory gentoo.org Vendor Advisory github.com Vendor Advisory github.com Vendor Advisory github.com Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201710-20 third party advisory vendor advisory
https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cb patch vendor advisory
https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752 patch vendor advisory
https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog release notes vendor advisory
http://www.securityfocus.com/bid/100403 vdb entry third party advisory
https://github.com/NagiosEnterprises/nagioscore/issues/404 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-12847?
CVE-2017-12847 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12847?
To fix CVE-2017-12847, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12847 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12847 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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