Describe CVE-2009-3542.
What is CVE-2009-3542?
Directory traversal vulnerability in ls.php in LittleSite (aka LS or LittleSite.php) 0.1 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the file parameter to index.php.  NOTE: in some environments, this can be leveraged for remote file inclusion by using a UNC share pathname or an ftp, ftps, or ssh2.sftp URL..