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TITLE:
Cisco IOS Cross-Site Scripting and Cross-Site Request Forgery

SECUNIA ADVISORY ID:
SA33844

VERIFY ADVISORY:
http://secunia.com/advisories/33844/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

OPERATING SYSTEM:
Cisco IOS 12.x
http://secunia.com/advisories/product/182/
Cisco IOS R12.x
http://secunia.com/advisories/product/50/

DESCRIPTION:
Zloss has reported some vulnerabilities in Cisco IOS, which can be
exploited by malicious people to conduct cross-site scripting and
cross-site request forgery attacks.

1) Input passed via the URL when executing commands is not properly
sanitised before being returned to the user. This can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site.

2) The device allows users to perform certain actions via HTTP
requests without performing any validity checks to verify the
requests. This can be exploited to potentially alter the
configuration of the device by tricking the user into visiting a
malicious web site.

The vulnerabilities are reported in Cisco IOS firmware version
12.4(23). Other versions may also be affected.

SOLUTION:
Filter malicious characters and character sequences in a proxy.

Do not visit untrusted websites while being logged in to the device.

PROVIDED AND/OR DISCOVERED BY:
Zloss

ORIGINAL ADVISORY:
http://packetstormsecurity.org/0902-exploits/cisco12423-xss.txt

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