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DSS TFTP Server Path Traversal Vulnerability

Information

Severity

Severity

Medium

Family

Family

Remote file access

CVSSv2 Base

CVSSv2 Base

6.4

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Solution Type

Solution Type

Vendor Wont Fix

Created

Created

9 years ago

Modified

Modified

5 years ago

Summary

DSS TFTP Server is prone to a path traversal vulnerability.

Insight

Insight

DSS TFTP 1.0 Server is a simple TFTP server that allows user to download/upload files through the TFTP service from/to specified tftp root directory. The application is vulnerable to path traversal that enables attacker to download/upload files outside the tftp root directory.

Affected Software

Affected Software

DSS TFTP 1.0 Server and below.

Detection Method

Detection Method

Sends a crafted GET request and checks if it can download some system files.

Solution

Solution

No known solution was made available for at least one year since the disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.