""ET EXPLOIT Fortigate VPN - Repeated POST Requests to /remote/error (CVE-2023-27997)""
SID: 2046723
Revision: 1
Class Type: attempted-admin
Metadata: affected_product Fortigate, attack_target Networking_Equipment, created_at 2023_07_05, cve CVE_2023_27997, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2023_07_05
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "/remote/error" Depth: 13
Within:
PCRE: "/^Content-Length\x3a\x20(?:[0-9]{9,})/Hm"
Special Options:
-
http_method
-
fast_pattern
-
http_uri