Vulnerability Description
A vulnerability has been identified in the Linux kernel's ksmbd component (kernel SMB/CIFS server). A security control designed to prevent dictionary attacks, which introduces a 5-second delay during session setup, can be bypassed through the use of asynchronous requests. This bypass negates the intended anti-brute-force protection, potentially allowing attackers to conduct dictionary attacks more efficiently against user credentials or other authentication mechanisms.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-32251
- https://bugzilla.redhat.com/show_bug.cgi?id=2385852
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0
- https://www.zerodayinitiative.com/advisories/ZDI-23-699/
FAQ
What is CVE-2023-32251?
CVE-2023-32251 is a vulnerability with a CVSS score of 3.7 (LOW). A vulnerability has been identified in the Linux kernel's ksmbd component (kernel SMB/CIFS server). A security control designed to prevent dictionary attacks, which introduces a 5-second delay during ...
How severe is CVE-2023-32251?
CVE-2023-32251 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-32251?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.