Information Disclosure Vulnerability in Microsoft XML Core Services

CVE-2009-0419

Summary

This vulnerability arises from Microsoft XML Core Services, which is utilized in various Microsoft applications, including Expression Web and Internet Explorer. It fails to adequately restrict web page access to Set-Cookie2 HTTP response headers, enabling remote attackers to retrieve sensitive cookie information through XMLHttpRequest calls. This flaw affects the protections afforded by the HTTPOnly mechanism, highlighting a significant security gap that can be exploited, particularly in the context of web applications relying on cookie-based sessions.

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