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Last updated: 5/26/2016 10:28:10 AM

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Vulnerability Summary for CVE-2009-3103

Original release date: 09/08/2009
Last revised: 06/24/2011


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 10.0 HIGH
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: MISC
Name: http://www.reversemode.com/index.php?option=com_content&task=view&id=64&Itemid=1
External Source: MISC
Name: http://g-laurent.blogspot.com/2009/09/windows-vista7-smb20-negotiate-protocol.html
US-CERT Vulnerability Note: CERT
Name: TA09-286A
External Source: BUGTRAQ
Name: 20090908 Regarding Microsoft srv2.sys SMB2.0 NEGOTIATE BSOD
External Source: MS
Name: MS09-050
Type: Advisory; Patch Information
External Source: SECTRACK
Name: 1022848
External Source: MILW0RM
Name: 9594
External Source: MISC
Name: http://blog.48bits.com/?p=510
External Source: BID
Name: 36299
External Source: XF
Name: win-srv2sys-code-execution(53090)
External Source: FULLDISC
Name: 20090907 Windows Vista/7 : SMB2.0 NEGOTIATE PROTOCOL REQUEST Remote B.S.O.D.
External Source: MISC
Name: http://isc.sans.org/diary.html?storyid=7093
External Source: BUGTRAQ
Name: 20090909 SMB SRV2.SYS Denial of Service PoC
External Source: CONFIRM
Name: http://www.microsoft.com/technet/security/advisory/975497.mspx
Type: Advisory
External Source: OVAL
Name: oval:org.mitre.oval:def:6489
US-CERT Vulnerability Note: CERT-VN
Name: VU#135940

References to Check Content

Identifier: oval:org.mitre.oval:def:6489
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)