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CVE-2022-32230

Last updated June 21, 2022
Windows SMB Denial of Service Vulnerability.
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Attacker Value
Unknown

CVE-2022-32230

Disclosure Date: June 14, 2022 (last updated June 14, 2022)
Microsoft Windows SMBv3 suffers from a null pointer dereference in versions of Windows prior to the April, 2022 patch set. By sending a malformed FileNormalizedNameInformation SMBv3 request over a named pipe, an attacker can cause a Blue Screen of Death (BSOD) crash of the Windows kernel. For most systems, this attack requires authentication, except in the special case of Windows Domain Controllers, where unauthenticated users can always open named pipes as long as they can establish an SMB session. Typically, after the BSOD, the victim SMBv3 server will reboot.
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