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Category:   OS (Microsoft)  >   Windows Server Message Block Vendors:   Microsoft
Windows Server Message Block Multiple Flaws Let Remote Authenticated Users Execute Arbitrary Code and Obtain Potentially Sensitive Information, Remote Users Deny Service, and Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1039528
SecurityTracker URL:  http://securitytracker.com/id/1039528
CVE Reference:   CVE-2017-11780, CVE-2017-11781, CVE-2017-11782, CVE-2017-11815   (Links to External Site)
Date:  Oct 10 2017
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7 SP1, 2008 R2 SP1, 2008 SP2, 2012, 8.1, 2012 R2, RT 8.1, 10, 10 Version 1511, 2016, 10 Version 1607, 10 Version 1703
Description:   Several vulnerabilities were reported in Windows Server Message Block. A remote user can cause denial of service conditions on the target system. A remote authenticated user can obtain potentially sensitive information on the target system. A remote authenticated user can execute arbitrary code on the target system. A local user can gain elevated privileges.

A remote authenticated user can send specially crafted data to the target Microsoft Server Message Block 1.0 (SMBv1) server to execute arbitrary code on the target system [CVE-2017-11780].

A remote user can send specially crafted SMB requests to cause the target system to crash [CVE-2017-11781].

A remote authenticated user can send a specially crafted packet to obtain potentially sensitive information on the target system [CVE-2017-11815].

A local anonymous user that can gain access to certain named pipes on a remote system that permit anonymous access can gain elevated privileges on the target system [CVE-2017-11782].

pesante (via Trend Micro's Zero Day Initiative) and Nicolas Joly of MSRC Vulnerabilities & Mitigations reported these vulnerabilities.

Impact:   A remote user can cause denial of service conditions.

A remote authenticated user can execute arbitrary code on the target system.

A remote authenticated user can obtain potentially sensitive information on the target system.

A local user can gain elevated privileges.

Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11780
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11781
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11782
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11815

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11780 (Links to External Site)
Cause:   Access control error, State error

Message History:   None.


 Source Message Contents



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