""ET EXPLOIT Possible Atlassian Confluence Improper Authentication Validation Exploitation Attempt set (CVE-2023-22518)""

SID: 2049096

Revision: 1

Class Type: attempted-admin

Metadata: affected_product Atlassian_Confluence, attack_target Server, created_at 2023_11_06, cve CVE_2023_22518, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2023_11_06, reviewed_at 2023_11_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application

Reference:

  • cve

  • 2023-22518

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/json/setup-restore"

  • Value: ".action"

  • Value: "X-Atlassian-Token|3a 20|no-check|0d|"

  • Value: "filename=|22|"

  • Value: "Upload|20|and|20|import|0d 0a|"

Within: 20

PCRE: "/filename=\x22[^\x22]+.zip\x22/Pi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_client_body

  • http_client_body

  • nocase

source