GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
CVE-2021-3057

8.1HIGH

Key Information:

Vendor
Palo Alto Networks
Status
Globalprotect App
Vendor
CVE Published:
13 October 2021

Badges

👾 Exploit Exists

Summary

A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.9 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on the Universal Windows Platform; GlobalProtect app 5.3 versions earlier than GlobalProtect app 5.3.1 on Linux.

Affected Version(s)

GlobalProtect App Linux 5.3 < 5.3.1

GlobalProtect App Universal Windows Platform 5.2 < 5.2.8

GlobalProtect App Windows 5.1 < 5.1.9

References

https://security.paloaltonetworks.com/CVE-2021-3057
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

Palo Alto Networks thanks Tomas Rzepka of F-Secure for discovering and reporting this issue.
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