Vulnerability Monitor

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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 access to this non-root account for nagios.lock modification before a root script executes a "kill `cat /pathname/nagios.lock`" command.

Published

2017-08-23T21:29:00.200

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.3 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:C/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

9.2

Weaknesses

Type: Primary
CWE-665

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nagios	nagios	≤ 4.3.2	Yes

References

http://www.securityfocus.com/bid/100403 Third Party Advisory, VDB Entry ([email protected])
https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog Release Notes, Vendor Advisory ([email protected])
https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752 Patch, Vendor Advisory ([email protected])
https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cb Patch, Vendor Advisory ([email protected])
https://github.com/NagiosEnterprises/nagioscore/issues/404 Issue Tracking, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201710-20 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/100403 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cb Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/NagiosEnterprises/nagioscore/issues/404 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201710-20 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)