SB2021072627 - Privilege escalation in Apple macOS
Published: July 26, 2021 Updated: November 29, 2021
Security Bulletin ID
SB2021072627
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-30807)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary within the IOMobileFrameBuffer subsystem. A local application can trigger memory corruption and execute arbitrary code on the target system with kernel privileges.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.