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Insecure Library Loading
Moderately critical

D-Link TFTP Server Long Read/Write Request Buffer Overflow

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Release Date:  2007-03-12    Last Update:  2007-03-16    Views:  12,425

Secunia Advisory SA24360

Where:

From local network

Impact:

System access

Solution Status:

Unpatched

CVE Reference(s):

Description


Parvez Anwar has discovered a vulnerability in D-Link TFTP Server, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the handling of read or write requests. This can be exploited to cause a heap-based buffer overflow via an overly long (greater than 272 bytes) file name in a read or write request.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 1.0. Other versions may also be affected.


Solution:
Use in a trusted network environment only.

Provided and/or discovered by:
Parvez Anwar

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: D-Link TFTP Server Long Read/Write Request Buffer Overflow

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