""ET WEB_SERVER ASP.NET Forms Authentication Bypass""

SID: 2014100

Revision: 2

Class Type: attempted-user

Metadata: created_at 2012_01_03, cve CVE_2011_3416, updated_at 2012_01_06

Reference:

  • cve

  • 2011-3416

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "/CreatingUserAccounts.aspx"

  • Value: "CreateUserStepContainer"

  • Value: "UserName="

  • Value: "%00"

Within:

PCRE: "/UserName\x3d[^\x26]+\x2500/"

Special Options:

  • http_uri

source