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Web Crossing "Content-Length" Header Denial of Service Vulnerability
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Secunia Advisory:
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SA10781
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Release Date:
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2004-02-04
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Last Update:
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2004-02-24
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Popularity:
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5,311 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Web Crossing 4.x
Web Crossing 5.x
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Description:
Peter Winter-Smith has reported a vulnerability in Web Crossing, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to a division by zero error when processing HTTP POST requests containing extremely large or negative values in the "Content-Length:" header. This can be exploited to crash the application.
Solution:
This vulnerability has been fixed in version 5.0 09FEB04:
http://webcrossing.com/Home/getwebx/licenses/Download/
Provided and/or discovered by:
Peter Winter-Smith
Changelog:
2004-02-24: Updated solution.
Original Advisory:
http://www.elitehaven.net/webxdos.txt
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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