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uTorrent Web UI HTTP Request "Range" Header Processing Denial of Service
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Secunia Advisory:
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SA28686
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Release Date:
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2008-01-29
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Popularity:
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5,299 views
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Critical:
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Less 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: | uTorrent 1.x
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Binary Analysis:
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BA365 :: Available for 1 Credit 
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Description:
Luigi Auriemma has discovered a vulnerability in uTorrent, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in the handling of HTTP requests and can be exploited to cause the application to crash by sending multiple HTTP requests with an overly-long "Range" header string.
Successful exploitation requires that the Web UI interface is enabled (not default).
The vulnerability is confirmed in version 1.7.6 (build 7859) on Windows. Other versions may also be affected.
Solution:
Update to version 1.7.7 (build 8179).
http://download.utorrent.com/1.7.7/utorrent.exe
Provided and/or discovered by:
Luigi Auriemma
Original Advisory:
http://aluigi.altervista.org/adv/ruttorrent2-adv.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.
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