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atftp filename Buffer Overflow
Secunia Advisory: SA8968
Release Date: 2003-06-09
Popularity: 6,062 views

Critical:
Moderately critical
Impact: System access
Where: From local network
Solution Status: Unpatched

Software:atftp 0.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been identified in atftp allowing malicious TFTP servers to cause a buffer overflow in atftp clients.

The problem is that atftp doesn't handle filenames longer than 253 characters correctly. This allows malicious TFTP servers to cause a buffer overflow which possibly could be exploited to execute arbitrary code.

An exploit is in the wild.

NOTE: The TFTP protocol is based on UDP making injection of arbitrary packets into the datastream and Man-in-the-Middle attacks trivial.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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