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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Windows DNS Global Blocklist Flaw Lets Remote Users Obtain Potentially Sensitive Information on the Target System
SecurityTracker Alert ID:  1041830
SecurityTracker URL:  http://securitytracker.com/id/1041830
CVE Reference:   CVE-2018-8320   (Links to External Site)
Date:  Oct 9 2018
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2008 R2 SP1, 2008 SP2, 2012, 2012 R2, 2016, 10 Version 1607, 10 Version 1709, 10 Version 1803, 10 Version 1809, 2019
Description:   A vulnerability was reported in Windows DNS Global Blocklist. A remote user can obtain potentially sensitive information on the target system.

A remote user can update DNS Server Role record additions to bypass the Global Query Blocklist.

Kevin Robertson of NetSPI reported this vulnerability.

Impact:   A remote user can obtain potentially sensitive information on the target system.
Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8320

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8320 (Links to External Site)
Cause:   Access control error

Message History:   None.


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