""ET EXPLOIT Fortigate VPN - Repeated GET Requests to /remote/hostcheck_validate (CVE-2023-27997)""
SID: 2046251
Revision: 1
Class Type: attempted-admin
Metadata: affected_product Fortigate, attack_target Networking_Equipment, created_at 2023_06_13, cve CVE_2023_27997, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2023_06_13
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/remote/hostcheck_validate" Depth: 26
-
Value: "enc"
Within:
PCRE:
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_uri