CVE-2023-23410
vulnerability analysis and mitigation

Overview

Windows HTTP.sys Elevation of Privilege Vulnerability (CVE-2023-23410) is a security flaw discovered in Microsoft Windows' HTTP.sys kernel module. The vulnerability was reported to Microsoft on January 4, 2023, and was publicly disclosed on March 15, 2023. This vulnerability affects multiple versions of Microsoft Windows, including Windows 10, Windows 11, and Windows Server installations (ZDI Advisory).

Technical details

The vulnerability stems from an integer overflow condition in the HTTP.sys kernel module due to improper validation of user-supplied data before writing to memory. The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (High), with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Microsoft has classified this as CWE-190 (Integer Overflow or Wraparound) (NVD).

Impact

If successfully exploited, this vulnerability allows attackers to escalate privileges and execute arbitrary code in the context of the kernel. The attacker must first obtain the ability to execute low-privileged code on the target system to exploit this vulnerability (ZDI Advisory).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. Users are advised to apply the appropriate patches through Windows Update to protect their systems (Microsoft Advisory).

Additional resources


SourceThis report was generated using AI

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