""ET WEB_SPECIFIC_APPS Possible Apache Struts OGNL Expression Injection (CVE-2017-5638) M2""

SID: 2024044

Revision: 2

Class Type: web-application-attack

Metadata: affected_product Apache_Struts2, attack_target Server, created_at 2017_03_10, cve CVE_2017_5638, deployment Datacenter, performance_impact Low, signature_severity Major, updated_at 2017_03_13

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-Type|3a|"

• Value: "multipart/form-data"

• Value: "{"

• Value: "}"

Within:

PCRE: "/^Content-Type\x3a(?=[^\r\n]?multipart\/form-data)[^\r\n]?{[^\r\n]{15,}}/Hmi"

Special Options:

• http_header

• nocase

• http_header

• http_header

• nocase

• http_header

source