[SA19844] WinAgents TFTP Server Directory Traversal Vulnerability

TITLE:
WinAgents TFTP Server Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA19844

VERIFY ADVISORY:
http://secunia.com/advisories/19844/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
>From local network

SOFTWARE:
WinAgents TFTP Server 3.x
http://secunia.com/product/3569/

DESCRIPTION:
Rapid7 has reported a vulnerability in WinAgents TFTP Server, which
can be exploited by malicious people to disclose potentially
sensitive information.

The vulnerability is caused due an input validation error that makes
it possible to download files from arbitrary locations outside the
TFTP root via specially crafted directory traversal sequences.

Example:
get …/[file]

The vulnerability has been reported in version 3.1. Prior versions
may also be affected.

SOLUTION:
Update to version 3.2.
http://www.winagents.com/en/downloads/index.php

PROVIDED AND/OR DISCOVERED BY:
Rapid7

ORIGINAL ADVISORY:
WinAgents Software Group:
http://www.winagents.com/en/news/410.php

Rapid7:
http://www.rapid7.com/advisories/R7-0020.html

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