Absolute path traversal vulnerability in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allows remote attackers to write to arbitrary files via a full pathname in the argument to the SaveToFile method.
Improper Limitation of a Pathname to a Restricted Directory The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.