CVE-2016-9566
First published: Thu Dec 08 2016(Updated: )
An unsafe file opening/creation of logging files that can be misused for root privilege escalation was found in base/logging.c. Upstream patch: <a href="https://github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474ba63f8c4">https://github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474ba63f8c4</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/nagios | <4.2.4 | 4.2.4 |
| Nagios Plugins | <=4.2.3 |
Remedy
https://github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474ba63f8c4
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2017-0211.html
- http://rhn.redhat.com/errata/RHSA-2017-0212.html
- http://rhn.redhat.com/errata/RHSA-2017-0213.html
- http://rhn.redhat.com/errata/RHSA-2017-0214.html
- http://rhn.redhat.com/errata/RHSA-2017-0258.html
- http://rhn.redhat.com/errata/RHSA-2017-0259.html
- http://seclists.org/fulldisclosure/2016/Dec/58
- http://www.securityfocus.com/bid/94919
- http://www.securitytracker.com/id/1037487
- https://bugzilla.redhat.com/show_bug.cgi?id=1402869
- https://github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474ba63f8c4
- https://legalhackers.com/advisories/Nagios-Exploit-Root-PrivEsc-CVE-2016-9566.html
- https://lists.debian.org/debian-lts-announce/2018/12/msg00014.html
- https://security.gentoo.org/glsa/201612-51
- https://security.gentoo.org/glsa/201702-26
- https://security.gentoo.org/glsa/201710-20
- https://www.exploit-db.com/exploits/40921/
- https://www.nagios.org/projects/nagios-core/history/4x/
Frequently Asked Questions
What is the severity of CVE-2016-9566?
CVE-2016-9566 is considered a critical vulnerability due to the potential for root privilege escalation.
How do I fix CVE-2016-9566?
To fix CVE-2016-9566, you should update Nagios to version 4.2.4 or later.
What software is affected by CVE-2016-9566?
CVE-2016-9566 affects Nagios versions up to 4.2.3 and below.
Can CVE-2016-9566 be exploited remotely?
Yes, CVE-2016-9566 can potentially be exploited remotely if the logging functionality is accessible.
What type of vulnerability is CVE-2016-9566?
CVE-2016-9566 is an unsafe file opening vulnerability that can lead to privilege escalation.
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