Title: Microsoft IE5 IFRAME Vulnerability
Severity: HIGH
Description:
Internet Explorer 5 will allow a malicious web page to read the contents of local files through a weakness in the IE5 security model. Normally the document.execCommand method is restricted from reading and returning data on the local machine, however if the method is called from within an IFRAME this restriction can be circumvented.
Affected Products:
- 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 for Unix 5.0.0
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows NT 4.0
References:
- Microsoft: Microsoft Security Bulletin (MS99-042): Frequently Asked Questions
- Microsoft: Q243638: Update Available for "IFRAME ExecCommand" Vulnerability in Internet Exp
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