""ET EXPLOIT Outbound GPON Authentication Bypass Attempt (CVE-2018-10561)""

SID: 2027063

Revision: 2

Class Type: attempted-admin

Metadata: attack_target IoT, created_at 2019_03_06, cve CVE_2018_10561, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2019_03_06

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "?images/"

  • Value: "XWebPageName=diag&diag" Depth: 22

Within:

PCRE: "/(?:\/GponForm\/diag_FORM\?images\/|.html\?images\/)/Ui"

Special Options:

  • http_method

  • http_uri

  • http_client_body

source