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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1095.2 Palo Alto Networks Security Advisories / CVE-2020-1979 13 May 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: PAN-OS log daemon (logd) Publisher: Palo Alto Operating System: Network Appliance Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Increased Privileges -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-1979 Original Bulletin: https://securityadvisories.paloaltonetworks.com/CVE-2020-1979 Revision History: May 13 2020: Vendor released update to clarify attack vector, description and acknowledgement March 30 2020: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- Palo Alto Networks Security Advisories / CVE-2020-1979 CVE-2020-1979 PAN-OS: A format string vulnerability in PAN-OS log daemon (logd) on Panorama allows local privilege escalation 047910 Severity 8.1 . HIGH Attack Vector NETWORK Attack Complexity HIGH Privileges Required NONE User Interaction NONE Scope UNCHANGED Confidentiality Impact HIGH Integrity Impact HIGH Availability Impact HIGH NVD JSON Published: 2020-03-11 Updated: 2020-05-12 Ref#: PAN-97584 Description A format string vulnerability in the PAN-OS log daemon (logd) on Panorama allows a network based attacker with knowledge of registered firewall devices and access to Panorama management interfaces to execute arbitrary code, bypassing the restricted shell and escalating privileges. This issue affects only PAN-OS 8.1 versions earlier than PAN-OS 8.1.13 on Panorama. This issue does not affect PAN-OS 7.1, PAN-OS 9.0, or later PAN-OS versions. Product Status PAN-OS Versions Affected Unaffected 9.1 >= 9.1.0 9.0 >= 9.0.0 8.1 < 8.1.13 >= 8.1.13 7.1 >= 7.1.0 Required Configuration N/A Severity: HIGH CVSSv3.1 Base Score: 8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) Solution This issue is fixed in PAN-OS 8.1.13 and all later PAN-OS 8.1 versions. Workarounds and Mitigations This issue affects the management interface of Panorama and is mitigated by following best practices for securing the Panorama management interface. Our best practices guidelines reduce the exposure of the management interface to potential attackers. Please review the Best Practices for Securing Administrative Access in the PAN-OS 8.1 technical documentation, available at: https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-admin/getting-started/ best-practices-for-securing-administrative-access. Acknowledgements This issue was discovered by Nicholas Newsom of Palo Alto Networks during an internal security review. Timeline 2020-05-12 Updated attack vector, description and acknowledgement. 2020-03-11 Initial publication Terms of usePrivacyProduct Security Assurance and Vulnerability Disclosure Policy Report vulnerabilitiesManage subscriptions (C) 2020 Palo Alto Networks, Inc. All rights reserved. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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