""ET WEB_SPECIFIC_APPS Rails Arbitrary File Disclosure Attempt""

SID: 2027096

Revision: 2

Class Type: web-application-attack

Metadata: attack_target Web_Server, created_at 2019_03_19, cve CVE_2019_5418, deployment Datacenter, signature_severity Informational, updated_at 2019_03_19

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "Accept|3a 20|"

  • Value: "../"

Within:

PCRE: "/Accept\x3a\x20[^\r\n]*\x2e\x2e\x2f/H"

Special Options:

  • http_header

  • http_header

  • fast_pattern

source