Advisory Details

October 10th, 2017

Microsoft Windows SMB Out-Of-Bounds Read Denial of Service Vulnerability

CVE ID	CVE-2017-11781
CVSS SCORE	6.8, AV:N/AC:L/Au:S/C:N/I:N/A:C
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['29694']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to create a denial-of-service on vulnerable installations of Microsoft Windows. Authentication is required to exploit this vulnerability, assuming the product is in its default configuration. The specific flaw exists within the srv driver. A crafted request to an SMB share can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to create a denial-of-service condition to users of the system.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11781
DISCLOSURE TIMELINE	2017-07-27 - Vulnerability reported to vendor 2017-10-10 - Coordinated public release of advisory
CREDIT	pesante

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