Used Microsoft Security Bulletin MS02-041 for Windows? Share your experience and help other users.
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Developer’s Description
By Microsoft
- A buffer overrun in a low-level function that performs user authentication. At least one web page included with MCMS 2001 passes inputs directly to the function, thereby potentially providing a way for an attacker to overrun the buffer. The result of exploiting the vulnerability would be to either cause MCMS to fail, or run code in the context of the MCMS service (which runs as Local System).
- A vulnerability resulting from the confluence of two flaws affecting a function that allows files to be uploaded to the server. The first flaw lies in how the function authenticates requests, and would allow any user to submit an upload request. The second results because it is possible to override the upload location; where the function should upload files to a folder that only privileged users can access, it can be overridden to upload it to a temporary folder that does allow unprivileged users to call it. By exploiting the two flaws in tandem, an attacker could upload an .ASP or other file to the server, in a location from which it could be executed.
- A SQL injection vulnerability affecting a function that services requests for image files and other resources. Exploiting the vulnerability could enable an attacker to run SQL commands on the server, which would not only allow data in the MCMS database to be added, changed or deleted, but also would enable the attacker to run operating system commands on the server.
Used Microsoft Security Bulletin MS02-041 for Windows? Share your experience and help other users.
