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Grandstream GXP-2000 Denial of Service Vulnerability

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Release Date:  2006-10-07    Last Update:  2006-10-30    Views:  8,523

Secunia Advisory SA22265

Where:

From local network

Impact:

DoS

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


Shawn Merdinger has reported a vulnerability in the Grandstream GXP-2000 VoIP Desktop Phone, which can be exploited by malicious people to cause a DoS (Denial of Service).

The phone has several undocumented open UDP ports, including 5062, 5064, 5066, 9876 and 26789. Sending large amounts of ASCII data to these ports can cause the phone to freeze, reboot or stop working correctly.

The vulnerability is reported in firmware version 1.1.0.5. Other versions may also be affected.


Solution:
Update the firmware to the latest version.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Shawn Merdinger

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Grandstream GXP-2000 Denial of Service Vulnerability

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