SB2021041420 - Denial of service in Palo Alto GlobalProtect app
Published: April 14, 2021
Security Bulletin ID
SB2021041420
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) Uncaught exception (CVE-ID: CVE-2021-3038)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to uncaught exception in Windows VPN kernel driver. A local user can pass specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error.
Remediation
Install update from vendor's website.