""ET WEB_SPECIFIC_APPS Possible Apache Struts OGNL Expression Injection (CVE-2017-5638)""

SID: 2024038

Revision: 2

Class Type: web-application-attack

Metadata: affected_product Apache_Struts2, attack_target Web_Server, created_at 2017_03_08, cve CVE_2017_5638, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2017_03_08

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "ProcessBuilder"

  • Value: "apache"

  • Value: "struts"

Within:

PCRE: "/^Content-Type\x3a\x20(?=[^\r\n]?ProcessBuilder)[^\r\n]?.struts/Hmi"

Special Options:

  • http_header

  • http_header

  • nocase

  • http_header

source