FortiOS.SSL.VPN.Null.Pointer.Dereference.DoS

description-logoDescription

This indicates an attack attempt to exploit a Denial of Service Vulnerability in Fortinet FortiOS.
The vulnerability is due to an error in the vulnerable application when handling requests. A remote unauthenticated attacker can exploit this vulnerability by sending a crafted request to the target server that causes the SSL VPN to crash, resulting in a denial of service condition.

affected-products-logoAffected Products

FortiOS version 7.2.0 through 7.2.4
FortiOS version 7.0.0 through 7.0.11
FortiOS version 6.4.0 through 6.4.12
FortiOS version 6.2.0 through 6.2.14
FortiOS version 6.0.0 through 6.0.16

Impact logoImpact

Denial of Service: Remote attackers can crash vulnerable systems.

recomended-action-logoRecommended Actions

Apply the most recent upgrade or patch from the vendor. Or follow work around provided by the vendor.
https://www.fortiguard.com/psirt/FG-IR-23-111

Coverage

IPS (Regular DB)
IPS (Extended DB)

Version Updates

Date Version Detail
2023-06-15 24.578 Name:FG-VD-52875.
0day:FortiOS.
SSL.
VPN.
Null.
Pointer.
Dereference.
DoS
2023-06-15 24.578 Default_action:pass:drop
2023-06-05 23.570