SB2021070127 - Denial of service in libtpms
Published: July 1, 2021
Security Bulletin ID
SB2021070127
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2021-3569)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in libtpms while decrypting data using RSA. A local user can trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.