""ET WEB_CLIENT Firefox Proxy Prototype RCE Attempt (CVE-2014-8636)""

SID: 2020756

Revision: 1

Class Type: attempted-user

Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2015_03_26, cve CVE_2014_8636, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2015_03_26

Reference:

  • cve

  • 2014-8636

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "chrome|3a 2f 2f|"

  • Value: "open"

  • Value: "messageManager.loadFrameScript"

  • Value: "Proxy.create"

Within:

PCRE: "/^\s?(\s?[\x22\x27]chrome\x3a\/\//Ri"

Special Options:

  • file_data

  • nocase

  • nocase

  • nocase

  • nocase

source