Medium severity · published Aug 23, 2017
CVE-2017-12847
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…
6.3
CVSS
0.8%
EPSS
No
On KEV
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
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Nagios · Nagios
through 4.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12847
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12847
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/1b197346d490df2e2d3b1dcce5ac6134ad0c8752
Patch
https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cb
Issue Tracking
https://github.com/NagiosEnterprises/nagioscore/issues/404
Third Party Advisory
https://security.gentoo.org/glsa/201710-20
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