CVE-2016-6909

Published: Aug 24, 2016Modified: May 6, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

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.

Affected (4)

Products: Fortinet: Fortios, Fortiswitch

Fortinet

2 products

Fortios

Fortiswitch

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Fortinet Fortios	From 4.1.0 to 4.1.11
Fortinet Fortios	From 4.2.0 to 4.2.13
Fortinet Fortios	From 4.3.0 to 4.3.9

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Fortinet Fortiswitch	Up to 3.4.2

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (12)

http://fortiguard.com/advisory/FG-IR-16-023

Source: cve@mitre.org

Vendor Advisory

http://packetstormsecurity.com/files/138387/EGREGIOUSBLUNDER-Fortigate-Remote-Code-Execution.html

Source: cve@mitre.org

ExploitThird Party AdvisoryVDB Entry

http://www.securityfocus.com/bid/92523

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1036643

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://musalbas.com/2016/08/16/equation-group-firewall-operations-catalogue.html

Source: cve@mitre.org

Third Party Advisory

https://www.exploit-db.com/exploits/40276/

Source: cve@mitre.org

ExploitThird Party AdvisoryVDB Entry

http://fortiguard.com/advisory/FG-IR-16-023