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CVE-2006-3942

7.8 · HIGH

The server driver (srv.sys) in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to cause a denial of service (system crash) via an SMB_COM_TRANSACTION SMB message that co…

Published Jul 31, 2006microsoftCWE-20EPSS 75.03%

Overview

CVE-2006-3942 is a high-severity vulnerability affecting microsoft windows_2000. It was published on July 31, 2006 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The server driver (srv.sys) in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to cause a denial of service (system crash) via an SMB_COM_TRANSACTION SMB message that contains a string without null character termination, which leads to a NULL dereference in the ExecuteTransaction function, possibly related to an "SMB PIPE," aka the "Mailslot DOS" vulnerability. NOTE: the name "Mailslot DOS" was derived from incomplete initial research; the vulnerability is not associated with a mailslot.

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

Refblogs.technet.com/msrc/archive/2006/07/28/443837.aspxRefsecunia.com/advisories/21276Refsecuritytracker.com/id?1016606Refsecuritytracker.com/id?1017035Refwww.coresecurity.com/common/showdoc.php?idx=562&idxseccion=10Refwww.osvdb.org/27644Refwww.securityfocus.com/archive/1/443287/100/200/threadedRefwww.securityfocus.com/archive/1/449179/100/0/threadedRefwww.securityfocus.com/bid/19215Refwww.vupen.com/english/advisories/2006/3037

How CyberStrike helps

Frequently asked questions

What is CVE-2006-3942?

CVE-2006-3942 is a high-severity vulnerability affecting microsoft windows_2000. It was published on July 31, 2006 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2006-3942?

This vulnerability has a CVSS 2.0 base score of 7.8, 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-2006-3942?

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-2006-3942?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-3942 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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