GlobalProtect App: Improper Link Resolution Vulnerability Leads to Local Privilege Escalation

CVE-2022-0017
7HIGH

Key Information

Vendor
Palo Alto Networks
Status
Globalprotect App
Vendor
CVE Published:
9 February 2022

Badges

👾 Exploit Exists

Summary

An improper link resolution before file access ('link following') vulnerability exists in the Palo Alto Networks GlobalProtect app on Windows that enables a local attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges under certain circumstances. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.10 on Windows. GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.5 on Windows. This issue does not affect GlobalProtect app on other platforms.

Affected Version(s)

GlobalProtect App < 5.2.5

GlobalProtect App < 5.1.10

GlobalProtect App = 5.3.*

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit exists.

  • Risk change from: 7.8 to: 7 - (HIGH)

  • Initial publication

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database

Credit

Palo Alto Networks thanks Christophe Schleypen of NATO Cyber Security Centre Pentesting for discovering and reporting this issue.
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