full-disclosure - Re: Multiple WinXP kernel vulns can give user mode programs kernel mode privileges

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Message-ID: <42055137.20040219140909@SECURITY.NNOV.RU>
From: 3APA3A at SECURITY.NNOV.RU (3APA3A)
Subject: Re: Multiple WinXP kernel vulns can give user mode programs kernel mode privileges

Dear first last,

--Thursday, February 19, 2004, 1:15:20 AM, you wrote to full-disclosure@...ts.netsys.com:

fl> There exist several vulnerabilities in one of Windows XP kernel's native API
fl> functions which allow any user with the SeDebugPrivilege privilege to
fl> execute arbitrary code in kernel mode, and read from and write to any memory
fl> address, including kernel memory.

SeDebugPrivilege  allows you to change execution flow for any process or
kill  any  process  (for  example security subsystem or any RPC server).
This  privilege  is  enough  to  compromise  system  in thousand ways by
design. By default only Administrators have this privilege.

-- 
~/ZARAZA
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