Vulnerability Description
The SMB client in the kernel in Microsoft Windows Server 2008 R2 and Windows 7 allows remote SMB servers and man-in-the-middle attackers to cause a denial of service (infinite loop and system hang) via a (1) SMBv1 or (2) SMBv2 response packet that contains (a) an incorrect length value in a NetBIOS header or (b) an additional length field at the end of this response packet, aka "SMB Client Incomplete Response Vulnerability."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 7 | All versions |
| Microsoft | Windows Server 2008 | r2 |
Related Weaknesses (CWE)
References
- http://blogs.technet.com/msrc/archive/2009/11/13/microsoft-security-advisory-977
- http://g-laurent.blogspot.com/2009/11/windows-7-server-2008r2-remote-kernel.htmlExploit
- http://news.cnet.com/8301-27080_3-10395891-245.html
- http://praetorianprefect.com/archives/2009/11/how-to-crash-windows-7-and-server-Exploit
- http://seclists.org/fulldisclosure/2009/Nov/134Exploit
- http://secunia.com/advisories/37347Vendor Advisory
- http://secunia.com/blog/66/Vendor Advisory
- http://www.microsoft.com/technet/security/advisory/977544.mspxPatchVendor Advisory
- http://www.securitytracker.com/id?1023179
- http://www.us-cert.gov/cas/techalerts/TA10-103A.htmlUS Government Resource
- http://www.vupen.com/english/advisories/2009/3216Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-02
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://blogs.technet.com/msrc/archive/2009/11/13/microsoft-security-advisory-977
- http://g-laurent.blogspot.com/2009/11/windows-7-server-2008r2-remote-kernel.htmlExploit
FAQ
What is CVE-2009-3676?
CVE-2009-3676 is a vulnerability with a CVSS score of 7.1 (HIGH). The SMB client in the kernel in Microsoft Windows Server 2008 R2 and Windows 7 allows remote SMB servers and man-in-the-middle attackers to cause a denial of service (infinite loop and system hang) vi...
How severe is CVE-2009-3676?
CVE-2009-3676 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-3676?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 7, Microsoft Windows Server 2008.