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TITLE:
2X ThinClientServer 2XTFTPd Service Directory Traversal

SECUNIA ADVISORY ID:
SA29590

VERIFY ADVISORY:
http://secunia.com/advisories/29590/

CRITICAL:
Less critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From local network

SOFTWARE:
2X ThinClientServer 5.x
http://secunia.com/product/18104/

DESCRIPTION:
Luigi Auriemma has discovered a vulnerability in 2X ThinClientServer,
which can be exploited by malicious people to disclose potentially
sensitive information.

The vulnerability is caused due an input validation error within the
2XTFTPd service (TFTPd.exe) and can be exploited to download files
from arbitrary locations outside the TFTP root via specially crafted
directory traversal sequences.

The vulnerability is confirmed in 2X ThinClientServer version 5.0
(sp1-r3497) including TFTPd.exe version 3.2.0.0. Other versions may
also be affected.

SOLUTION:
Restrict network access to the TFTP service.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/thindirtrav-adv.txt

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About:
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vulnerabilities.

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