""ET WEB_SPECIFIC_APPS Fortigate FortiOS Invalid HTTP Chunk Length Out of Bounds Write Remote Code Execution Attempt (CVE-2024-21762) - Heap Manipulation""
SID: 2051766
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Fortigate, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2024_03_22, cve CVE_2024_21762, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_03_22, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application
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/"
-
Value: "/bin/node|25 30 30|"
-
Value: "|2d|e|25 30 30|"
Within: 20
PCRE:
Special Options:
-
http_method
-
http_uri
-
http_client_body
-
fast_pattern
-
http_client_body