SB2018111327 - Information disclosure in Windows Audio Service
Published: November 13, 2018
Security Bulletin ID
SB2018111327
CSH 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 vulnerability.
1) Buffer over-read (CVE-ID: CVE-2018-8454)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within Windows Audio Service, related to browser.sys driver. A local unprivileged user can execute a specially crafted application, trigger out-of-bounds read error and read contents of memory on the system with elevated privileges.
Remediation
Install update from vendor's website.