""ET EXPLOIT Zabbix v5.4.0 - 5.4.8 SSO/SALM Auth Bypass (CVE-2022-23131) M1""

SID: 2035371

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Server, created_at 2022_03_02, cve CVE_2022_23131, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2022_03_02, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application

Reference:

  • cve

  • 2022-23131

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "InVzZXJuYW1lX2F0dHJpYnV0ZSI6"

  • Value: "/index_sso.php" Depth: 14

  • Value: "zbx_session="

  • Value: "InVzZXJuYW1lX2F0dHJpYnV0ZSI6"

Within:

PCRE: "/(?:InNhbWxfZGF0YS|JzYW1sX2RhdGEi|ic2FtbF9kYXRhI)/C"

Special Options:

  • http_uri

  • http_cookie

  • http_cookie

source