Vulnerability CVE-2017-12847


Published: 2017-08-23   Modified: 2017-08-24

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.

Type:

CWE-665

(Improper Initialization)

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.3/10
9.2/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Complete
Complete
Affected software
Nagios -> Nagios 

 References:
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

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