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features, which makes it even easier to stay patched.

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TITLE:
Belkin Wireless G Router Security Bypass and Denial of Service

SECUNIA ADVISORY ID:
SA29345

VERIFY ADVISORY:
http://secunia.com/advisories/29345/

CRITICAL:
Less critical

IMPACT:
Security Bypass, DoS

WHERE:
>From local network

OPERATING SYSTEM:
Belkin Wireless G Router
http://secunia.com/product/6130/

DESCRIPTION:
Some security issues and a vulnerability have been reported in the
Belkin Wireless G Router, which can be exploited by malicious people
to bypass certain security restrictions or cause a DoS (Denial of
Service).

1) An error in the implementation of authenticated sessions can be
exploited to gain access to the router's control panel by
establishing a session from a previously authenticated IP address.

2) An error exists within the enforcing of permissions in
cgi-bin/setup_dns.exe. This can be exploited to perform restricted
administrative actions by directly accessing the vulnerable script.

3) An error exists in the cgi-bin/setup_virtualserver.exe script when
processing HTTP POST data. This can be exploited to deny further
administrative access to an affected device via specially a crafted
HTTP POST request with a "Connection: Keep-Alive" header.

The security issues and the vulnerability are reported in model
F5D7230-4, firmware version 9.01.10. Other versions may also be
affected.

SOLUTION:
Restrict network access to the router's web interface.

PROVIDED AND/OR DISCOVERED BY:
loftgaia

ORIGINAL ADVISORY:
http://www.gnucitizen.org/projects/router-hacking-challenge/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
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Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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