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CVE-2006-3440

10.0 · HIGH

Buffer overflow in the Winsock API in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 allows remote attackers to execute arbitrary code via unknown vectors, aka "Winsock Hostname Vu…

Published Aug 9, 2006microsoftEPSS 57.30%

Overview

CVE-2006-3440 is a high-severity vulnerability affecting microsoft windows_2000. It was published on August 9, 2006 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

Buffer overflow in the Winsock API in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 allows remote attackers to execute arbitrary code via unknown vectors, aka "Winsock Hostname Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_2000 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

Refsecunia.com/advisories/21394Refsecuritytracker.com/id?1016653Refwww.kb.cert.org/vuls/id/908276Refwww.securityfocus.com/bid/19319Refwww.us-cert.gov/cas/techalerts/TA06-220A.htmlRefwww.vupen.com/english/advisories/2006/3211Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-041Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A747Refsecunia.com/advisories/21394Refsecuritytracker.com/id?1016653

How CyberStrike helps

Frequently asked questions

What is CVE-2006-3440?

CVE-2006-3440 is a high-severity vulnerability affecting microsoft windows_2000. It was published on August 9, 2006 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2006-3440?

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-2006-3440?

Check the references section for vendor advisories and patches from microsoft. Update windows_2000 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-2006-3440?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-3440 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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