SB2023021425 - Information disclosure in Microsoft Windows HTTP.sys driver
Published: February 14, 2023
Security Bulletin ID
SB2023021425
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-21687)
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.
Remediation
Install update from vendor's website.