""ET WEB_SPECIFIC_APPS CrushFTP working_dir Template Injection Attempt (CVE-2024-4040)""

SID: 2052277

Revision: 1

Class Type: attempted-recon

Metadata: affected_product CrushFTP, attack_target FTP_Server, tls_state TLSDecrypt, created_at 2024_04_26, cve CVE_2024_4040, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_04_26, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/WebInterface/function/?command|3d|" Depth: 32

  • Value: "c2f|3d|"

  • Value: "path|3d 7b|working_dir|7d|"

  • Value: "names|3d|"

  • Value: "CrushAuth|3d|"

  • Value: "c2f|3d|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_cookie

  • http_cookie

source