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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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HTTP 1.1 header overflow

Vulnerability Assessment Summary Too long HTTP 1.1 header kills the web server Detailed Explanation for this Vulnerability Assessment It was possible to kill the web server by sending an invalid request with a too long HTTP 1.1 header (Accept-Encoding, Accept-Language, Accept-Range, Connection, Expect, If-Match, If-None-Match, If-Range, If-Unmodified-Since, Max-Forwards, TE, Host) A cracker may exploit this vulnerability to make your web server crash continually or even execute arbirtray code on your system. Solution : upgrade your software or protect it with a filtering reverse proxy Network Security Threat Level: High Networks Security ID: 6951 Vulnerability Assessment Copyright: This script is Copyright (C) 2002 Michel Arboi

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