""ET WEB_CLIENT Potential MSXML2.FreeThreadedDOMDocument Uninitialized Memory Corruption Attempt""

SID: 2015557

Revision: 7

Class Type: attempted-user

Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2012_07_10, cve CVE_2012_1889, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2012_11_22

Reference:

  • cve

  • 2012-1889

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: to_client,established

Contents:

  • Value: "f6d90f12-9c73-11d3-b32e-00c04f990bb4"

  • Value: "definition"

Within:

PCRE: "/(?:[\s[\x22\x27]definition[\x22\x27]\s]|.definition)(/"

Special Options:

  • file_data

  • nocase

  • nocase

source