""ET WEB_SPECIFIC_APPS Possible Apache Struts OGNL Expression Injection (CVE-2017-5638) (Content-Disposition) M1""

SID: 2024096

Revision: 3

Class Type: web-application-attack

Metadata: affected_product Apache_Struts2, attack_target Web_Server, created_at 2017_03_20, deployment Datacenter, signature_severity Major, updated_at 2017_03_22

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "Content-Disposition|3a|"

  • Value: "filename"

  • Value: "multipart/form-data"

Within:

PCRE: "/^[^\r\n]filename\s=\s[^\x3b\x3a\r\n][\x25\x24]\s*{[^\r\n]{20,}}/Pmi"

Special Options:

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • http_header

  • nocase

source