CVE-2011-2013

Critical

Description

Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka "Reference Counter Overflow Vulnerability."

SeverityCritical

CVSS9.8

Exploit probability—

Product

Microsoft Windows

PublishedNov 8, 2011

First seenNov 8, 2011

Weakness typeCWE-190Integer overflow

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-083

Affected products

Product	Affected versions	Fixed in
microsoft windows_7	No range specified	—
microsoft windows_server_2008	No range specified, r2	—
microsoft windows_vista	No range specified	—

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