SB2023011713 - Information disclosure in Trusted Firmware-A
Published: January 17, 2023
Security Bulletin ID
SB2023011713
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-2022-47630)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a boundary condition in the X.509 parser used to
parse boot certificates in TF-A trusted boot. A local user can supply a specially crafted X.509 certificate to trigger an out-of-bounds read and gain access to sensitive information on the system.
Remediation
Install update from vendor's website.