CVE-2016-6909 — CRITICAL (9.8)

Q: How severe is CVE-2016-6909?

CVE-2016-6909 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2016-6909?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortios, Fortinet Fortiswitch.

Vulnerability Description

Buffer overflow in the Cookie parser in Fortinet FortiOS 4.x before 4.1.11, 4.2.x before 4.2.13, and 4.3.x before 4.3.9 and FortiSwitch before 3.4.3 allows remote attackers to execute arbitrary code via a crafted HTTP request, aka EGREGIOUSBLUNDER.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Fortinet	Fortios	>= 4.1.0, < 4.1.11
Fortinet	Fortiswitch	<= 3.4.2

Related Weaknesses (CWE)

CWE-119

References

http://fortiguard.com/advisory/FG-IR-16-023Vendor Advisory
http://packetstormsecurity.com/files/138387/EGREGIOUSBLUNDER-Fortigate-Remote-CoExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/92523Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036643Third Party AdvisoryVDB Entry
https://musalbas.com/2016/08/16/equation-group-firewall-operations-catalogue.htmThird Party Advisory
https://www.exploit-db.com/exploits/40276/ExploitThird Party AdvisoryVDB Entry
http://fortiguard.com/advisory/FG-IR-16-023Vendor Advisory
http://packetstormsecurity.com/files/138387/EGREGIOUSBLUNDER-Fortigate-Remote-CoExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/92523Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036643Third Party AdvisoryVDB Entry
https://musalbas.com/2016/08/16/equation-group-firewall-operations-catalogue.htmThird Party Advisory
https://www.exploit-db.com/exploits/40276/ExploitThird Party AdvisoryVDB Entry

FAQ

What is CVE-2016-6909?

CVE-2016-6909 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Buffer overflow in the Cookie parser in Fortinet FortiOS 4.x before 4.1.11, 4.2.x before 4.2.13, and 4.3.x before 4.3.9 and FortiSwitch before 3.4.3 allows remote attackers to execute arbitrary code v...

How severe is CVE-2016-6909?

CVE-2016-6909 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2016-6909?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortios, Fortinet Fortiswitch.