Denial of service in Palo Alto GlobalProtect app



Published: 2021-04-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3038
CWE-ID CWE-248
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		GlobalProtect Agent
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Uncaught exception

EUVDB-ID: #VU52224

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-3038

CWE-ID: CWE-248 - Uncaught Exception

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GlobalProtect Agent: 5.1.0 - 5.2.3

CPE2.3 External links

http://security.paloaltonetworks.com/CVE-2021-3038


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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