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 < 5.1.9
GlobalProtect App < 5.2.8
GlobalProtect App < 5.3.1
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 exists.
Initial publication
Vulnerability published.
Vulnerability Reserved.
Collectors
NVD DatabaseMitre Database
Credit
Palo Alto Networks thanks Tomas Rzepka of F-Secure for discovering and reporting this issue.