Palo Alto Networks Security Advisories / CVE-2020-2012

CVE-2020-2012 PAN-OS: Panorama: XML external entity reference ('XXE') vulnerability leads the to information leak

047910
Severity 7.5 · HIGH
Attack Vector NETWORK
Attack Complexity LOW
Privileges Required NONE
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact NONE
Availability Impact NONE

Description

Improper restriction of XML external entity reference ('XXE') vulnerability in Palo Alto Networks Panorama management service allows remote unauthenticated attackers with network access to the Panorama management interface to read arbitrary files on the system.

This issue affects:

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

PAN-OS for Panorama 8.1 versions earlier than 8.1.13;

PAN-OS for Panorama 9.0 versions earlier than 9.0.7.

Product Status

PAN-OS

VersionsAffectedUnaffected
9.2>= 9.2.0
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: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Solution

This issue is fixed in PAN-OS 8.1.13, PAN-OS 9.0.7, PAN-OS 9.1.0, PAN-OS 9.2.0, and all later PAN-OS versions.

PAN-OS 8.0 is now 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 is only being considered for critical security vulnerability fixes.

Workarounds and Mitigations

This issue affects the management interface of PAN-OS and is strongly mitigated 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

Acknowledgements

This issue was found by Ben Nott of Palo Alto Networks during internal security review.

Timeline

Initial publication
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