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  3. Microsoft Internet Explorer Self Executing HTML Arbitrary Code Execution Vulnerability

Microsoft Internet Explorer Self Executing HTML Arbitrary Code Execution Vulnerability

Risk

High

Date Discovered

November 5, 2003

Description

Microsoft Internet Explorer has been reported prone to an arbitrary code execution vulnerability. The issue presents itself when Internet Explorer is rendering malicious HTML pages that contain embedded executables that are invoked in a specific manner. When a malicious page is rendered the embedded code is executed with the privileges of the user running the vulnerable web browser.

Technologies Affected

  • Microsoft Internet Explorer 5.5
  • Microsoft Internet Explorer 5.5 SP1
  • Microsoft Internet Explorer 5.5 SP2
  • Microsoft Internet Explorer 6.0
  • Microsoft Internet Explorer 6.0 SP1

Recommendations

Run all software as a nonprivileged user with minimal access rights.

Running Internet Explorer with least privileges possible may help mitigate the impact of successful exploitation of this vulnerability.

Set web browser security to disable the execution of script code or active content.

Disabling script code or active content functionality in Internet Explorer may help prevent potential attacks.
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: vuldb@securityfocus.com <mailto:vuldb@securityfocus.com>.

References

Credits

Discovery of this vulnerability has been credited to http-equiv.
Copyright © Symantec Corporation.
Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from secure@symantec.com.

Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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