A remote overflow exists in FileCOPA FTP server. The product fails to perform correct boundary checks on directory names such as 'CWD', 'DELE', 'MDTM', and 'MKD' when processing a client's command, resulting in a integer underflow. With a specially crafted command, an attacker can cause arbitrary code execution resulting in a loss of integrity.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Upgrade to version 1.01 (2006-07-18) or higher, as it has been reported to fix this vulnerability. Note that this flaw was fixed in the 2006-07-18 release without a change in version number. An upgrade is required as there are no known workarounds.