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The Secunia Software Inspector is a free service that detects insecure
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TITLE:
Microsoft Windows Directory Monitoring Information Disclosure
Weakness

SECUNIA ADVISORY ID:
SA24245

VERIFY ADVISORY:
http://secunia.com/advisories/24245/

CRITICAL:
Not critical

IMPACT:
Exposure of sensitive information, Exposure of system information

WHERE:
Local system

OPERATING SYSTEM:
Microsoft Windows XP Professional
http://secunia.com/product/22/
Microsoft Windows XP Home Edition
http://secunia.com/product/16/
Microsoft Windows Vista
http://secunia.com/product/13223/
Microsoft Windows Server 2003 Web Edition
http://secunia.com/product/1176/
Microsoft Windows Server 2003 Standard Edition
http://secunia.com/product/1173/
Microsoft Windows Server 2003 Enterprise Edition
http://secunia.com/product/1174/
Microsoft Windows Server 2003 Datacenter Edition
http://secunia.com/product/1175/
Microsoft Windows 2000 Server
http://secunia.com/product/20/
Microsoft Windows 2000 Professional
http://secunia.com/product/1/
Microsoft Windows 2000 Datacenter Server
http://secunia.com/product/1177/
Microsoft Windows 2000 Advanced Server
http://secunia.com/product/21/

DESCRIPTION:
3APA3A has discovered a weakness in Microsoft Windows, which can be
exploited by malicious, local users to gain knowledge of certain
information.

The problem is caused due to the "ReadDirectoryChangesW()" API not
taking into consideration the permissions of sub-directories when
monitoring directories. This can be exploited to e.g. disclose file
names in protected sub-directories.

Successful exploitation requires that the protected files are in a
sub-directory where the parent directory is accessible by the
attacker.

The weakness is confirmed on fully-patched Windows XP SP2 and Windows
Server 2003 systems. Microsoft Windows 2000 and Vista are also
reported to be affected.

SOLUTION:
Grant only trusted users access to the system.

PROVIDED AND/OR DISCOVERED BY:
3APA3A

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-February/052613.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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