CVE-2009-3676 Denial of service in n/a
Remote attackers can cause a system hang in Windows SMB clients via malformed response packets, requiring a security patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2009-3676?
CVE-2009-3676 is a high-severity denial of service vulnerability in Microsoft Windows 7, published on 13 Nov 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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."
Weakness: CWE-399
Which versions are affected by CVE-2009-3676?
It affects 2 products.
Products include Microsoft Windows 7, Microsoft Windows Server 2008.
How do I fix CVE-2009-3676?
No fix has been published for CVE-2009-3676 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2009-3676 being exploited?
There is no known exploitation of CVE-2009-3676 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 7
- CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution
- CVE-2015-2360 Microsoft Win32k Privilege Escalation
- CVE-2014-6324 Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation
- CVE-2014-6332 Microsoft Windows Object Linking & Embedding (OLE) Automation Array Remote Code Execution
- CVE-2014-4148 Microsoft Windows Remote Code Execution
Sources
Also known as GHSA-8q5p-rpfq-gjc9.