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Category:   OS (Microsoft)  >   Windows Kernel Vendors:   Microsoft
Windows Kernel API Permission Errors Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1040095
SecurityTracker URL:  http://securitytracker.com/id/1040095
CVE Reference:   CVE-2018-0748, CVE-2018-0751, CVE-2018-0752   (Links to External Site)
Date:  Jan 4 2018
Impact:   Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7 SP1, 2008 R2 SP1, 2008 SP2, 2012, 8.1, 2012 R2, 2016, 10, 10 Version 1511, 10 Version 1607, 10 Version 1703, 10 Version 1709
Description:   Several vulnerabilities were reported in the Windows Kernel API. A local user can obtain elevated privileges on the target system.

A local user can run a specially crafted application to trigger a permissions error in the Windows Kernel API and impersonate processes, inject cross-process communication, or interrupt system functionality [CVE-2018-0748, CVE-2018-0751, CVE-2018-0752].

James Forshaw of Google Project Zero reported these vulnerabilities.

Impact:   A local user can impersonate processes, inject cross-process communication, or interrupt system functionality.
Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0748
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0751
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0752

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0748 (Links to External Site)
Cause:   Access control error

Message History:   None.


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