[NT] Internet Explorer Document.Open() Without Close() Cookie Stealing, File Reading, and Site Spoofing Bug
From: support@securiteam.comDate: 12/20/01
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From: support@securiteam.com To: list@securiteam.com Date: Thu, 20 Dec 2001 09:47:08 +0100 (CET)
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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Internet Explorer Document.Open() Without Close() Cookie Stealing, File
Reading, and Site Spoofing Bug
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SUMMARY
By simply using the document.open method without document.close, an
attacker can steal cookies, read local files that are parse-able by
Internet Explorer (mime type text/html to be exact), and spoof sites.
DETAILS
Vulnerable systems:
Internet Explorer 6.0
Demonstrations:
The following demonstrations are available at:
<http://www.osioniusx.com> http://www.osioniusx.com
"cookieStealing.html" - This opens Yahoo.com and steals the cookie.
"FileReading.html" - This opens up C:\test.txt and then reads it.
"SiteSpoofing.html" - This spoofs www.chase.com (a bank) - chase.com is in
the URL, the title, and there is a link on the page to log on to your
account that comes back to www.osioniusx.com.
ADDITIONAL INFORMATION
The information has been provided by <mailto:osioniusx@yahoo.com> the
Pull.
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