This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of the Novell iPrint client. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists within the ienipp.ocx ActiveX control with CLSID 36723f97-7aa0-11d4-8919-FF2D71D0D32C. The function exposes a GetDriverFile method. When this method is invoked for the first time a pointer in the .data section is mapped to an external function within another module. When invoked the second time, the process fails to load the library and assumes the pointer is still valid. When the uninitialized pointer is called the process jumps to an address space easily controlled by an attacker. This can be leveraged to execute remote code under the context of the user running the browser.
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