Describe CVE-2006-2021.
What is CVE-2006-2021?
Absolute path traversal vulnerability in recordings/misc/audio.php in the Asterisk Recording Interface (ARI) web interface in Asterisk@Home before 2.8 allows remote attackers to read arbitrary MP3, WAV, and GSM files via a full pathname in the recording parameter.  NOTE: this issue can also be used to determine existence of files..