From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Jul 09 2003 - 08:59:05 CDT

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TITLE:
Canon GP300 Denial of Service Vulnerability

READ ONLINE:
http://www.secunia.com/advisories/9221/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
From local network

OPERATING SYSTEM:
Canon GP300

DESCRIPTION:
A vulnerability has been reported in Canon GP300, which can be
exploited to cause a DoS (Denial of Service) on a vulnerable print
server.

The vulnerability is caused due to an error in the web interface.
This can be exploited to crash the print server by sending a HTTP
request not containing a protocol parameter specifying the HTTP
version (eg. "HTTP/1.0").

Example:
GET /

The vulnerability has been reported in Canon GP300 using WebSpooler
v4.5.062 (fr). However, other versions may also be affected.

SOLUTION:
Filter traffic to the HTTP service allowing only approved IP
addresses to connect.

REPORTED BY / CREDITS:
Douhine Davy

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