The LOB functionality in PEAR MDB2 before 2.5.0a1 interprets a request to store a URL string as a request to retrieve and store the contents of the URL, which might allow remote attackers to use MDB2 as an indirect proxy or obtain sensitive information via a URL into a form field in an MDB2 application, as demonstrated by a file:// URL or a URL for an intranet web site.
Exposure of Sensitive Information to an Unauthorized Actor The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.