CVE-2024-30034: 
vulnerability analysis and mitigation

CVE-2024-30034 is a Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability that affects various versions of Microsoft Windows operating systems. The vulnerability was discovered and reported to Microsoft on January 23, 2024, and was publicly disclosed on May 14, 2024. The affected systems include multiple versions of Windows 10, Windows 11, and Windows Server (NVD, ZDI).

The vulnerability exists within the Cloud Files Mini Filter Driver (cldflt.sys) and stems from a type confusion condition due to improper validation of user-supplied data. It has been assigned a CVSS v3.1 base score of 5.5 (Medium) by Microsoft with a vector string of CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. However, Zero Day Initiative has assessed it with a higher CVSS score of 8.4. The vulnerability is classified under CWE-843 (Access of Resource Using Incompatible Type) (ZDI, NVD).

When successfully exploited, this vulnerability allows attackers to disclose sensitive information in the context of the kernel. The attack requires local access and the ability to execute low-privileged code on the target system (ZDI).

Microsoft has released security updates to address this vulnerability. Users are advised to apply the latest security updates to their affected systems. The fix is available through Microsoft's standard update channels (Microsoft Advisory).