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0406212.txt

0406212.txt
Posted Jun 22, 2004
Authored by Paul Kurczaba | Site kurczaba.com

A user can deny access to the web-based administration by establishing 1 connection to the web-based administration port (80) on a Linksys BEFSR41 Cable/DSL Router. Until the connection is closed, the router administrator cannot access the web-based administration. Note that the router automatically closes the TCP connection after about ten seconds of inactivity.

tags | advisory, web, tcp
SHA-256 | cc4d06d74473ac6a04901d1309b131325e16dbe2a571ed5f24f1a9fce4b531f9

0406212.txt

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* Linksys BEFSR41 Cable/DSL Router Web-Based Administration DoS*


*Vulnerability ID Number:*

0406212

* Overview:*

A vulnerability has been found in the Linksys BEFSR41 Cable/DSL Router
Web-Based Administration.

* Vendor:*

Linksys (http://www.linksys.com <http://www.linksys.com/>)

* Vulnerability/Exploit:*

A user can deny access to the web-based administration by establishing 1
connection to the web-based administration port (80). Until the
connection is closed, the router administrator cannot access the
web-based administration. Note that the router automatically closes the
TCP connection after about ten seconds of inactivity.

* Workaround:*

None so far.

* Date Discovered:*

June 21, 2004

* Severity:*

Medium

* Credit:*

Paul Kurczaba
Kurczaba Associates

Visit http://www.kurczaba.com/mailinglists.htm for mailing lists in
Security, Encryption, Wireless, MS-Security, and Production Security.





Copyright 2003-2004 Kurczaba Associates

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