""ET WEB_SPECIFIC_APPS Ivanti Avalanche Directory Traversal Attempt (CVE-2023-41474)""

SID: 2050604

Revision: 2

Class Type: attempted-admin

Metadata: affected_product Ivanti, attack_target Server, created_at 2024_01_30, cve CVE_2023_41474, deployment Perimeter, deployment Internal, deployment SSLDecrypt, signature_severity Major, tag Exploit, updated_at 2024_06_23, 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: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/AvalancheWeb//faces/java.faces.resource/" Depth: 41

  • Value: "?loc|3d|"

  • Value: "|2e|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

source