Vulnerability in Nagios
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.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201710-20 (vendor-advisory, Third Party Advisory)
- github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952… (Patch, Vendor Advisory)
- github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134… (Patch, Vendor Advisory)
- github.com/NagiosEnterprises/nagioscore/blob/master/Changelog (Release Notes, Vendor Advisory)
- www.securityfocus.com/bid/100403 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/NagiosEnterprises/nagioscore/issues/404 (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-12847?
- CVE-2017-12847 is a medium-severity vulnerability in Nagios, classified under Improper Initialization. CVSS score: 6.3/10. Published 2017-08-23.
- How severe is CVE-2017-12847?
- Medium severity. CVSS v3 base score is 6.3 out of 10.