SB2020112616 - Privilege escalation in Intel CSME, TXE and SPS
Published: November 26, 2020
Security Bulletin ID
SB2020112616
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Initialization (CVE-ID: CVE-2020-8705)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to improper initialization in Intel Boot Guard. An attacker with physical access can run a specially crafted application to execute arbitrary code with escalated privileges on the system.
Remediation
Install update from vendor's website.