Title: Microsoft Internet Explorer Security Zone Settings Lag Vulnerability
Severity: HIGH
Description:
When a new document is loaded into an IE window, IE will not update the Security Zone settings for that window until the new document is completely loaded. This means that if a local document is loaded, and then a large remote document is loaded that has JavaScript at the very beginning, the JavaScript may load and execute before the Security Zone settings are updated. This could lead to remote and untrusted JavaScript running as local trusted code, with full access to local files, cookies, etc.
Affected Products:
- Microsoft Internet Explorer 4.0
- Microsoft Internet Explorer 4.0 for Windows 3.1
- Microsoft Internet Explorer 4.0 for Windows 95
- Microsoft Internet Explorer 4.0.1
- Microsoft Internet Explorer 4.0.1 for Windows 98
- Microsoft Internet Explorer 4.0.1 for Windows NT 4.0
- Microsoft Internet Explorer 5.0 for Windows 2000
- Microsoft Internet Explorer 5.0 for Windows 95
- Microsoft Internet Explorer 5.0 for Windows 98
- Microsoft Internet Explorer 5.0 for Windows NT 4.0
- Microsoft Internet Explorer 5.0.1
- Microsoft Internet Explorer 5.5 preview
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows NT 4.0
References:
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