Rule History

SID: 2102671 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 6 • Sep 23, 2010, 12:00 PM

Message:

GPL WEB_CLIENT bitmap BitmapOffset integer overflow attempt

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL WEB_CLIENT bitmap BitmapOffset integer overflow attempt"; flow:to_client,established; content:"image/bmp"; nocase; pcre:"/^Content-type\x3a\s*image\x2fbmp/smi"; pcre:"/^BM/sm"; byte_test:4,>,2147480000,8,relative,little; reference:bugtraq,9663; reference:cve,2004-0566; classtype:attempted-user; sid:2102671; rev:6; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_09_23, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26;)

Created:

Sep 23, 2010, 12:00 PM

Updated:

Jul 26, 2019, 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