Date: Tue, 20 Dec 2016 17:16:39 -0200 From: Dawid Golunski <dawid@...alhackers.com> To: oss-security@...ts.openwall.com Subject: Nagios Core < 4.2.4 Root Privilege Escalation [CVE-2016-9566] Vulnerability: Nagios Core < 4.2.4 Root Privilege Escalation CVE-2016-9566 Discovered by: Dawid Golunski (@dawid_golunski) https://legalhackers.com Severity: High Nagios Core daemon in versions below 4.2.4 was found to perform unsafe operations when handling the log file. This could be exploited by malicious local attackers to escalate their privileges from 'nagios' system user, or from a user belonging to 'nagios' group, to root. The exploit could enable the attackers to fully compromise the system on which a vulnerable Nagios version was installed. To obtain the necessary level of access (nagios user/group), the attackers could potentially use another Nagios vulnerability - CVE-2016-9565. The full up-to-date advisory and a PoC exploit for CVE-2016-9566 can be found at: https://legalhackers.com/advisories/Nagios-Exploit-Root-PrivEsc-CVE-2016-9566.html A copy has been attached to this message. Video PoC: https://legalhackers.com/videos/Nagios-Exploit-Root-PrivEsc-CVE-2016-9566.html The aforementioned CVE-2016-9565 vuln can be found at: https://legalhackers.com/advisories/Nagios-Exploit-Command-Injection-CVE-2016-9565-2008-4796.html For updates, follow: https://twitter.com/dawid_golunski -- Regards, Dawid Golunski https://legalhackers.com t: @dawid_golunski View attachment "Nagios-Root.txt" of type "text/plain" (15324 bytes)
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