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CVE-2009-3103

10.0 · HIGH

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 execu…

Published Sep 8, 2009microsoftCWE-399EPSS 92.35%

Overview

CVE-2009-3103 is a high-severity vulnerability affecting microsoft windows_server_2008. It was published on September 8, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_server_2008 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refarchives.neohapsis.com/archives/fulldisclosure/2009-09/0090.htmlRefblog.48bits.com/?p=510Refg-laurent.blogspot.com/2009/09/windows-vista7-smb20-negotiate-protocol.htmlRefisc.sans.org/diary.html?storyid=7093Refosvdb.org/57799Refsecunia.com/advisories/36623Refwww.exploit-db.com/exploits/9594Refwww.kb.cert.org/vuls/id/135940Refwww.microsoft.com/technet/security/advisory/975497.mspxRefwww.reversemode.com/index.php?option=com_content&task=view&id=64&Itemid=1

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3103?

CVE-2009-3103 is a high-severity vulnerability affecting microsoft windows_server_2008. It was published on September 8, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2009-3103?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-3103?

Check the references section for vendor advisories and patches from microsoft. Update windows_server_2008 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-3103?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3103 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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