Remote code execution in GlobalProtect App



Published: 2021-10-13
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3057
CWE-ID CWE-121
Exploitation vector Network
Public exploit N/A
Vulnerable software
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GlobalProtect Agent
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU57345

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3057

CWE-ID: CWE-121 - Stack-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote unauthenticated attacker with ability to perform MitM attack can trigger stack-based buffer overflow and execute arbitrary code with SYSTEM privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GlobalProtect Agent: 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.1.7, 5.1.8, 5.2.0, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 5.2.5, 5.2.5-c84, 5.2.6, 5.2.7, 5.3.0

CPE2.3 External links

http://security.paloaltonetworks.com/CVE-2021-3057

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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