Vulnerability Details : CVE-2022-32230
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2022-32230
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-32230
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-32230
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
cve@rapid7.con | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-32230
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- cve@rapid7.con (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2022-32230
-
https://support.microsoft.com/en-us/topic/may-10-2022-kb5013942-os-builds-19042-1706-19043-1706-and-19044-1706-60b51119-85be-4a34-9e21-8954f6749504
May 10, 2022—KB5013942 (OS Builds 19042.1706, 19043.1706, and 19044.1706)Patch;Vendor Advisory
-
https://www.rapid7.com/blog/post/2022/06/14/cve-2022-32230-windows-smb-denial-of-service-vulnerability-fixed/
CVE-2022-32230: Windows SMB Denial-of-Service Vulnerability (FIXED) | Rapid7 BlogExploit;Third Party Advisory
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https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-32230
CVE-2022-32230 - Security Update Guide - Microsoft - Windows SMB Denial of Service VulnerabilityPatch;Vendor Advisory
-
https://github.com/zeroSteiner/metasploit-framework/blob/feat/mod/cve-2022-32230/modules/auxiliary/dos/smb/smb_filenormalizednameinformation.rb
metasploit-framework/smb_filenormalizednameinformation.rb at feat/mod/cve-2022-32230 · zeroSteiner/metasploit-framework · GitHubExploit;Third Party Advisory
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