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Date: Mon, 16 Jan 2006 21:47:05 +0100 From: Thierry Zoller <Thierry@...ler.lu> To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com, <news@...uriteam.com> Subject: WehnTrust - When you have to trust Wehntrust Dear List, Small blurp I came around; when Wehntrust creates the autostart key it forgets to correctly quote the string in the key and thus may trigger an autostart of c:\program.bat|exe|com up-on reboot... [2] Quoting [1] : ^^^^^^^^^^^^ -------------------------------------------------------------------------- c:\program files\sub dir\program.exe, In this case, the system will successively expand the string when interpreting the file path, until a module is encountered to execute. The string used in the above example would be interpreted as follows: c:\program.exe c:\program files\sub.exe c:\program files\sub dir\program.exe ----------------------------------------------------------------------------- [1] http://lists.grok.org.uk/pipermail/full-disclosure/2005-November/038789.html [2] Only a real issue in Windows 2000, WinXP restricted users don't have the right to write to c:\ [3] http://secdev.zoller.lu [4] http://www.wehnus.com/ -- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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