""ET EXPLOIT Possible TerraMaster TOS RCE Inbound (CVE-2020-28188 CVE-2020-35665)""

SID: 2031535

Revision: 4

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2021_01_21, cve CVE_2020_28188, deployment Perimeter, deployment Internal, performance_impact Low, signature_severity Major, updated_at 2021_11_18

Reference:

  • cve

  • 2020-35665

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/makecvs.php?Event="

  • Value: "%20"

Within:

PCRE: "/\/makecvs.php\?Event=[^\r\n]+(?:[\x60\x3b\x7c]|%60|%3b|%7c|%26|(?:\x3c\x3e\x24]|%3c|%3e|%24)(?:\x28|%28))/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_raw_uri

source