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[SA18833] D-Link Wireless Access Point Denial of Service Vulnerability

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Tue Feb 14 2006 - 04:17:06 CST

TITLE:
D-Link Wireless Access Point Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA18833

VERIFY ADVISORY:
http://secunia.com/advisories/18833/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
From remote

OPERATING SYSTEM:
D-Link DI-784
http://secunia.com/product/8029/
D-Link DI-624
http://secunia.com/product/3660/
D-Link DI-524
http://secunia.com/product/8028/

DESCRIPTION:
Aaron Portnoy and Keefe Johnson has reported a vulnerability in
D-Link Wireless Access Point, which potentially 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
fragmented UDP packets. This may be exploited to cause the device to
terminate connections or reboot via certain specially crafted UDP
packets.

The vulnerability has been reported in the following products:
* D-Link DI-524 Wireless Router (firmware version 3.20 August 18,
2005).
* D-Link DI-624 Wireless Router.
* D-Link DI-784.

SOLUTION:
The vulnerability has reportedly been fixed in the latest firmware.

PROVIDED AND/OR DISCOVERED BY:
Aaron Portnoy and Keefe Johnson

ORIGINAL ADVISORY:
http://www.thunkers.net/~deft/advisories/dlink_udp_dos.txt

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