CVE-2009-2526 Denial of service in n/a

What is CVE-2009-2526?

CVE-2009-2526 is a high-severity denial of service vulnerability in Microsoft Windows Server 2008, published on 14 Oct 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 do not properly validate fields in SMBv2 packets, which allows remote attackers to cause a denial of service (infinite loop and system hang) via a crafted packet to the Server service, aka "SMBv2 Infinite Loop Vulnerability."

Weakness: CWE-399

Which versions are affected by CVE-2009-2526?

It affects 2 products.

Products include Microsoft Windows Server 2008, Microsoft Windows Vista.

How do I fix CVE-2009-2526?

No fix has been published for CVE-2009-2526 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-2009-2526 being exploited?

There is no known exploitation of CVE-2009-2526 in the wild and no public exploit code.

Public exploit code: 2 Exploit-DB entries.

Other vulnerabilities in Microsoft Windows Server 2008

• CVE-2020-1350 Microsoft Windows DNS Server Remote Code Execution Exploited Critical 10.0
• CVE-2020-1040 Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Exploited Critical 9.0
• CVE-2011-1966 Memory corruption in n/a Critical 10.0
• CVE-2010-0239 Memory corruption in n/a Critical 10.0
• CVE-2010-0240 Code injection in n/a Critical 10.0

All Microsoft Windows Server 2008 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6cf2-g5cm-mr2w.