[NT] WildTangent Web Driver Long Filename Stack Overflow
From: SecuriTeam (support_at_securiteam.com)
Date: 06/03/04
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To: list@securiteam.com Date: 3 Jun 2004 17:05:23 +0200
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WildTangent Web Driver Long Filename Stack Overflow
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SUMMARY
<http://www.wildtangent.com> WildTangent "provide high quality
interactive media technology to the Internet in the form of their
WebDriver. This is used by some of the largest companies and corporations
world-wide to provide advanced media content to over 80 million users of
their Internet plug-in". A buffer overflow in the product allows a web
site to cause arbitrary remote code execution on the target system.
DETAILS
It is possible to cause a number of buffer overruns within the WildTangent
package, namely within the WTHoster and WebDriver modules, via any method
which takes a filename as a parameter. During the process of constructing
an absolute path for this file, a concatenation of a predefined directory
path and the filename supplied as a parameter occurs through an unchecked
call to strcat(). This can easily be made to overflow the buffer and can
allow arbitrary remote code execution on the target system.
A working exploit has been created and tested against a vulnerable system,
and as such it is highly recommended that users of the WildTangent plug-in
install the updated version immediately.
Fix Information:
WebDriver 4.1 has been released to protect against the vulnerability. This
can be obtained from the WildTangent website at the address below:
<http://www.wildtangent.com/default.asp?pageID=webdriver_download>
http://www.wildtangent.com/default.asp?pageID=webdriver_download.
ADDITIONAL INFORMATION
The information has been provided by <mailto:peter@ngssoftware.com> Peter
Winter-Smith.
The original article can be found at:
<http://www.ngssoftware.com/advisories/wildtangent.txt>
http://www.ngssoftware.com/advisories/wildtangent.txt.
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