TFTPD32 Arbitrary File Download/Upload Vulnerability

BID:6198

Info

TFTPD32 Arbitrary File Download/Upload Vulnerability

Bugtraq ID: 6198
Class: Access Validation Error
CVE:
Remote: Yes
Local: No
Published: Nov 18 2002 12:00AM
Updated: Nov 18 2002 12:00AM
Credit: Discovery of this vulnerability credited to "Aviram Jenik" <[email protected]>.
Vulnerable: Philippe Jounin TFTPD32 2.50.2
Philippe Jounin TFTPD32 2.50
Not Vulnerable: Philippe Jounin TFTPD32 2.51

Discussion

TFTPD32 Arbitrary File Download/Upload Vulnerability

A vulnerability has been discovered in Tftpd32 which allows a remote attacker to download and upload arbitrary system files. The ability to upload system files may allow an attacker to replaced key system files with trojaned copies, used to open backdoors into a target system.

Exploit / POC

TFTPD32 Arbitrary File Download/Upload Vulnerability

The following proof of concepts were provided:

tftp host GET /boot.ini
tftp host PUT myfile /boot.ini

Solution / Fix

TFTPD32 Arbitrary File Download/Upload Vulnerability

Solution:
Fixes are available:


Philippe Jounin TFTPD32 2.50

Philippe Jounin TFTPD32 2.50.2

References

TFTPD32 Arbitrary File Download/Upload Vulnerability

References:

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