UNKNOWN Microsoft PoC
CVE-2023-50387
MITRE: CVE-2023-50387 DNSSEC verification complexity can be exploited to exhaust CPU resources and stall DNS resolvers
Microsoft Security Update 2024-Feb: MITRE: CVE-2023-50387 DNSSEC verification complexity can be exploited to exhaust CPU resources and stall DNS resolvers
Affected Products
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2022, 23H2 Edition (Server Core installation)
- Windows Server 2016
- Windows Server 2016 (Server Core installation)
- Windows Server 2008 R2 for x64-based Systems Service Pack 1
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-50387
- https://nvd.nist.gov/vuln/detail/CVE-2023-50387
This unknown severity vulnerability was published on 2024-02-13 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 100.0% (top 0% of all CVEs by exploitation probability). Affected: Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022 and 5 more.
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