The Rediff Toolbar 2.0 ActiveX control in redifftoolbar.dll allows remote attackers to cause a denial of service via unspecified manipulations, possibly involving improper initialization or blank arguments.
Rediff Bol Downloader ActiveX (OCX) control allows remote attackers to execute arbitrary files, and obtain sensitive information (usernames and pathnames), via a URL in the url vbscript parameter.
The Fetch.FetchContact.1 ActiveX control (Fetch.dll) for Rediff Bol 7.0 allows remote attackers to read the Windows Address Book via the FullAddressBook method.