""ET EXPLOIT Potentially Malicious .cab Inbound (CVE-2020-1300)""

SID: 2030493

Revision: 2

Class Type: attempted-admin

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2020_07_10, cve CVE_2020_1300, deployment Perimeter, deployment Datacenter, performance_impact Low, signature_severity Major, updated_at 2020_07_10

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "MSCF" Depth: 4

  • Value: "../../"

Within:

PCRE: "/^[a-z0-9-_.\/]+\x00/Ri"

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source