Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-3057

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
13/10/2021
Last modified:
20/10/2021

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.30 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.30
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:* 5.0 (including) 5.0.8 (including)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:* 5.0 (including) 5.0.9 (including)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:* 5.0 (including) 5.0.10 (including)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:* 5.1 (including) 5.1.1 (including)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:universal_windows_platform:*:* 5.1 (including) 5.1.1 (including)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:* 5.1 (including) 5.1.9 (excluding)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:* 5.1.0 (including) 5.1.4 (including)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:* 5.2 (including) 5.2.8 (excluding)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:* 5.2 (including) 5.2.8 (excluding)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:universal_windows_platform:*:* 5.2 (including) 5.2.8 (excluding)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:* 5.2 (including) 5.2.8 (excluding)
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:* 5.3 (including) 5.3.1 (excluding)
cpe:2.3:a:paloaltonetworks:globalprotect:5.0:*:*:*:*:universal_windows_platform:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools