Palo Alto Networks Security Advisories / CVE-2020-2029

CVE-2020-2029 PAN-OS: OS command injection vulnerability in management interface certificate generator

047910
Severity 7.2 · HIGH
Attack Vector NETWORK
Attack Complexity LOW
Privileges Required HIGH
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH

Description

An OS Command Injection vulnerability in the PAN-OS web management interface allows authenticated administrators to execute arbitrary OS commands with root privileges by sending a malicious request to generate new certificates for use in the PAN-OS configuration.

This issue affects:

All versions of PAN-OS 8.0;

PAN-OS 7.1 versions earlier than PAN-OS 7.1.26;

PAN-OS 8.1 versions earlier than PAN-OS 8.1.13.

Product Status

PAN-OS

VersionsAffectedUnaffected
9.1>= 9.1.0
9.0>= 9.0.0
8.1< 8.1.13>= 8.1.13
8.08.0.*
7.1< 7.1.26>= 7.1.26

Severity: HIGH

CVSSv3.1 Base Score: 7.2 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Weakness Type

CWE-78 OS Command Injection

Solution

This issue is fixed in PAN-OS 7.1.26, PAN-OS 8.1.13, and all later PAN-OS versions.

PAN-OS 8.0 is end-of-life (as of October 31, 2019) and is no longer covered by our Product Security Assurance policies.

PAN-OS 7.1 is on extended support until June 30, 2020, and we are considering updates only for critical security vulnerability fixes.

Workarounds and Mitigations

This issue affects the management interface of PAN-OS and you can mitigate the impact of this issue by following best practices for securing the PAN-OS management interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at https://docs.paloaltonetworks.com/best-practices.

Acknowledgments

Palo Alto Networks thanks Przemysław Kowalski of STM Solutions for discovering and reporting this issue.

Timeline

Initial publication
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