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TFTPD32 GET/PUT Denial of Service Vulnerability

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Release Date:  2006-11-20    Last Update:  2006-11-30    Views:  9,179

Secunia Advisory SA22968

Where:

From local network

Impact:

DoS

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


liuqx has discovered a vulnerability in TFTPD32, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error when processing files with overly long file names (greater than 235 bytes). This can be exploited to crash the server via a specially crafted GET or PUT request.

Successful exploitation requires:
* PUT - file exists on the client
* GET - file exists on the server

The vulnerability is confirmed in version 3.01. Other versions may also be affected.


Solution:
Update to version 3.03.

Provided and/or discovered by:
liuqx

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: TFTPD32 GET/PUT Denial of Service Vulnerability

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