Secunia Research has discovered a vulnerability in uTorrent and BitTorrent, 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 crash the application by sending an HTTP request containing a malformed "Range" header string. Successful exploitation requires that the Web UI interface is enabled (not default). uTorrent version 1.7.7 and BitTorrent version 6.0.1 are both affected.
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