Vulnerability in Nagios
CVE-2016-9566
base/logging.c in Nagios Core before 4.2.4 allows local users with access to an account in the nagios group to gain root privileges via a symlink attack on the log file. NOTE: this can be leveraged by remote attackers using CVE-2016-9565.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201710-20 (vendor-advisory)
- www.exploit-db.com/exploits/40921/ (exploit)
- www.securityfocus.com/bid/94919 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474… (Patch, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2017-0258.html (vendor-advisory)
- security.gentoo.org/glsa/201612-51 (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2017-0212.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2017-0213.html (vendor-advisory)
- www.nagios.org/projects/nagios-core/history/4x/ (Vendor Advisory)
- security.gentoo.org/glsa/201702-26 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-9566?
- CVE-2016-9566 is a high-severity vulnerability in Nagios, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2016-12-15.
- How severe is CVE-2016-9566?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-9566 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.