CVE-2009-3103

Critical

Description

Array index error in the SMBv2 protocol implementation in srv2.sys in Microsoft Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold and SP2, and Windows 7 RC allows remote attackers to execute arbitrary code or cause a denial of service (system crash) via an & (ampersand) character in a Process ID High header field in a NEGOTIATE PROTOCOL REQUEST packet, which triggers an attempted dereference of an out-of-bounds memory location, aka "SMBv2 Negotiation Vulnerability." NOTE: some of these details are obtained from third party information.

SeverityCritical

CVSS10.0

Exploit probability—

Product

Microsoft Windows Server

PublishedSep 8, 2009

First seenSep 8, 2009

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050

Affected products

Product	Affected versions	Fixed in
microsoft windows_server_2008	No range specified, sp2	—
microsoft windows_vista	No range specified	—

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