Palo Alto Networks Security Advisories / CVE-2020-2028

CVE-2020-2028 PAN-OS: OS command injection vulnerability in FIPS-CC mode certificate verification

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 PAN-OS management server allows authenticated administrators to execute arbitrary OS commands with root privileges when uploading a new certificate in FIPS-CC mode.

This issue affects:

All versions of PAN-OS 7.1 and PAN-OS 8.0;

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

PAN-OS 9.0 versions earlier than PAN-OS 9.0.7.

Product Status

PAN-OS

VersionsAffectedUnaffected
9.1>= 9.1.0
9.0< 9.0.7>= 9.0.7
8.1< 8.1.13>= 8.1.13
8.08.0.*
7.17.1.*

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 8.1.13, PAN-OS 9.0.7, PAN-OS 9.1.0, 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

This issue was found by Nicholas Newsom of Palo Alto Networks during internal security review.

Timeline

Initial publication
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