Stack-based buffer overflow in Nagios - CVE-2012-6096

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a long (1) host_name variable (host parameter) or (2) svc_description variable. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2012-6096

Links to Public Exploits and PoC-codes

• Exploit #3646 - Nagios3 - history.cgi Host Command Execution (Metasploit) (July 29, 2020)
• Exploit #3647 - Nagios3 - history.cgi Remote Command Execution (July 29, 2020)
• Exploit #3611 - Nagios3 history.cgi Host Command Execution (July 29, 2020)

External References

• http://lists.grok.org.uk/pipermail/full-disclosure/2012-December/089125.html
• http://lists.opensuse.org/opensuse-updates/2013-01/msg00033.html
• http://lists.opensuse.org/opensuse-updates/2013-01/msg00060.html
• http://lists.opensuse.org/opensuse-updates/2013-01/msg00077.html
• http://lists.opensuse.org/opensuse-updates/2013-01/msg00088.html
• http://secunia.com/advisories/51863
• http://www.debian.org/security/2013/dsa-2616
• http://www.debian.org/security/2013/dsa-2653
• http://www.exploit-db.com/exploits/24084
• http://www.exploit-db.com/exploits/24159
• http://www.nagios.org/projects/nagioscore/history/core-3x
• http://www.osvdb.org/89170
• http://www.securityfocus.com/bid/56879
• https://bugzilla.redhat.com/show_bug.cgi?id=893269
• https://dev.icinga.org/issues/3532
• https://www.icinga.org/2013/01/14/icinga-1-6-2-1-7-4-1-8-4-released/

Related Security Bulletins

• Stack-based buffer overflow in Nagios
• Stack-based buffer overflow in nagios (Alpine package)
• Gentoo update for Nagios
• Fedora EPEL 6 update for nagios