TITLE:
ZyXEL P-2000W_v2 VoIP Wi-Fi Phone Information Disclosure

SECUNIA ADVISORY ID:
SA18511

VERIFY ADVISORY:
http://secunia.com/advisories/18511/

CRITICAL:
Not critical

IMPACT:
Exposure of system information, DoS

WHERE:
>From local network

OPERATING SYSTEM:
ZyXEL P-2000W_v2 VoIP Wi-Fi Phone
http://secunia.com/product/6846/

DESCRIPTION:
Shawn Merdinger has reported a weakness in ZyXEL P-2000W_v2 VoIP
Wi-Fi Phone, which can be exploited by malicious people to disclose
system information and potentially cause a DoS (Denial of Service).

The weakness is caused due to the phone allowing connections to an
undocumented service on port 9090/udp. This can be exploited to
disclose the MAC address and the software version of the phone.

This may also be exploited to cause a DoS on an affected phone.

The weakness has been reported in firmware version WV.00.02. Other
versions may also be affected.

SOLUTION:
Restrict use to within trusted networks only.

PROVIDED AND/OR DISCOVERED BY:
Shawn Merdinger

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2006-January/041438.html

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