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Vulnerability DatabaseCVE-2023-32251
CVE-2023-32251:
Linux Debian vulnerability analysis and mitigation
Overview
A vulnerability was identified in the Linux kernel's ksmbd component (kernel SMB/CIFS server) affecting systems with ksmbd enabled. The vulnerability, tracked as CVE-2023-32251, was discovered by Quentin Minster of the Thalium team and publicly disclosed on May 17, 2023. The issue received a CVSS score of 3.7 (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N) (ZDI Advisory).
Technical details
The vulnerability exists within the handling of asynchronous connections in the ksmbd component. The specific flaw stems from the lack of protection of an authentication mechanism. This security control weakness could potentially be exploited by remote attackers without requiring authentication (ZDI Advisory).
Impact
The vulnerability allows remote attackers to create a brute force condition on affected installations of Linux Kernel. An attacker can leverage this vulnerability to brute force the credentials on the system, potentially leading to unauthorized access (ZDI Advisory).
Mitigation and workarounds
Linux has issued an update to correct this vulnerability. The fix was implemented through a patch that can be found in the Linux kernel repository (ZDI Advisory).
Additional resources
Source: This report was generated using AI
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