""ET EXPLOIT Possible VMware Cloud Director RCE Attempt (CVE-2020-3956)""

SID: 2030240

Revision: 2

Class Type: attempted-admin

Metadata: affected_product VMware, attack_target Server, created_at 2020_06_02, cve CVE_2020_3956, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_06_02

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "PUT"

  • Value: "|3a|Host|3e 24 7b|"

  • Value: ".getDeclaredConstructors|28 29 5b|"

Within:

PCRE: "/^vcloud_jwt=/C"

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • fast_pattern

source