Rule History

SID: 2015554 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 21 • Jun 19, 2012, 12:00 PM

Message:

ET WEB_CLIENT Potential MSXML2.DOM Document.3.0 Uninitialized Memory Corruption Attempt (CVE-2012-1889)

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Potential MSXML2.DOM Document.3.0 Uninitialized Memory Corruption Attempt (CVE-2012-1889)"; flow:to_client,established; file_data; content:"f5078f3"; content:"-c551-11d3-89b9-0000f81fe221"; nocase; distance:1; within:28; content:".definition|28|"; nocase; pcre:"/clsid\s*\x3a\s*\x7B?\s*f5078f3(2|3)-c551-11d3-89b9-0000f81fe221/si"; reference:cve,CVE-2012-1889; classtype:attempted-admin; sid:2015554; rev:21; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2012_06_19, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, tag CISA_KEV, updated_at 2022_06_10;)

Created:

Jun 19, 2012, 12:00 PM

Updated:

Jun 10, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-web_client.rules