""ET EXPLOIT Cisco RV320/RV325 RCE (CVE-2019-1653)""

SID: 2034278

Revision: 2

Class Type: attempted-admin

Metadata: attack_target Networking_Equipment, created_at 2021_10_28, cve CVE_2019_1653, deployment Perimeter, deployment Internal, signature_severity Major, updated_at 2021_10_28

Reference:

  • cve

  • 2019-1653

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "certificate_handle2.htm"

  • Value: "page=self_generator.htm"

  • Value: "common_name="

Within:

PCRE: "/common_name=[^\r\n]*(?:\x60|\x24|\x7c|\bsh\b)/Pi"

Special Options:

  • http_method

  • nocase

  • fast_pattern

  • http_uri

  • nocase

  • http_client_body

  • http_client_body

source