Out-of-bounds read in Windows Server and Windows - CVE-2023-21687
Published: February 14, 2023
Vulnerability identifier: #VU72175
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-21687
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Server
Windows
Windows Server
Windows
Detailed vulnerability description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the HTTP.sys driver. A local user can trigger an out-of-bounds read error and read contents of Kernel memory from a user mode process.
How to mitigate CVE-2023-21687
Install updates from vendor's website.