CVE-2024-43545 Windows Online Certificate Status Protocol (OCSP) Server Denial of Service Vulnerability

What is CVE-2024-43545?

CVE-2024-43545 is a high-severity denial of service vulnerability in Microsoft Windows Server 2008, published on 8 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Windows Online Certificate Status Protocol (OCSP) Server Denial of Service Vulnerability

Weakness: CWE-400

Which versions are affected by CVE-2024-43545?

It affects 6 products.

Products include Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2.

How do I fix CVE-2024-43545?

No fix has been published for CVE-2024-43545 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-2024-43545 being exploited?

There is no known exploitation of CVE-2024-43545 in the wild and no public exploit code.

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-wjqh-4vfg-j2pj.