The proof of concept of the vulnerability has been released on December 9, 2011, and no further announcement from CyberLink. I tried to coordinate the issue until they didn’t contact me anymore. A week after our last email, they updated the product, and  yes it’s Power2Go 8. How do they know that the product is safe without letting me to check again?

The application itself is still vulnerable to stack buffer overflow as we posted earlier here. This morning, a good friend from Metasploit, mr_me, sent me an email and asking why I didn’t get a shell from this POC. He also attached his working exploit script, and working flawlessly on Windows 7, awesome!

Read More >>

Overview

Distinct TFTP Server is part of Distinct Intranet Servers made by Distinct. Corp. Distinct TFTP Server version 3.10 is susceptible to directory traversal attack. Attacker can exploit this vulnerability to retrieve or upload files outside of the TFTP server root directory.

Software Description

From Distinct website:

Distinct Intranet Servers, which includes FTP Server, TFTP, LPD, BOOTP and NFS, bring quality server power to your network with no additional hardware investment. These servers allow you to make use of your PCs to share important services among your users.

Vulnerability Details and Attack Vector

The vulnerability is caused due to improper validation to GET and PUT Request containing dot dot slash (‘../’) sequences, which allows attackers to read or write arbitrary files.

By requesting a dot dot slash within the GET or PUT request, it is possible to retrieve operating system file such as boot.ini or upload file (errh, nc.exe?) to Windows %systemroot% (C:\WINDOWS\system32\).

Read More >>