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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3111 CVE-2020-2043 PAN-OS: Passwords may be logged in clear text when using after-change-detail custom syslog field for config logs 10 September 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: PAN-OS Publisher: Palo Alto Operating System: Network Appliance Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-2043 Original Bulletin: https://securityadvisories.paloaltonetworks.com/CVE-2020-2043 - --------------------------BEGIN INCLUDED TEXT-------------------- Palo Alto Networks Security Advisories / CVE-2020-2043 CVE-2020-2043 PAN-OS: Passwords may be logged in clear text when using after-change-detail custom syslog field for config logs 047910 Severity 3.3 . LOW Attack Vector LOCAL Attack Complexity LOW Privileges Required LOW User Interaction NONE Scope UNCHANGED Confidentiality Impact LOW Integrity Impact NONE Availability Impact NONE NVD JSON Published 2020-09-09 Updated 2020-09-09 Reference PAN-146837 Discovered internally Description An information exposure through log file vulnerability where sensitive fields are recorded in the configuration log without masking on Palo Alto Networks PAN-OS software when the after-change-detail custom syslog field is enabled for configuration logs and the sensitive field appears multiple times in one log entry. The first instance of the sensitive field is masked but subsequent instances are left in clear text. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.10; PAN-OS 9.1 versions earlier than PAN-OS 9.1.4. Product Status Versions Affected Unaffected PAN-OS 10.0 None >= 10.0.0 PAN-OS 9.1 < 9.1.4 >= 9.1.4 PAN-OS 9.0 < 9.0.10 >= 9.0.10 PAN-OS 8.1 < 8.1.16 >= 8.1.16 Required Configuration for Exposure This issue is only applicable when when the after-change-detail custom syslog field is enabled for config logs. Severity: LOW CVSSv3.1 Base Score: 3.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N) Weakness Type CWE-532 Information Exposure Through Log Files Solution This issue is fixed in PAN-OS 8.1.16, PAN-OS 9.0.10, PAN-OS 9.1.4, and all later PAN-OS versions. Workarounds and Mitigations This issue requires access to PAN-OS log files generated in the system. 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 a customer of Palo Alto Networks during internal security review. Timeline 2020-09-09 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. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBX1m/VONLKJtyKPYoAQgsmg/9FSkfQlepzDmkWVXffkCvRTV0BzcpzxF+ jFsYHHPQ8IQjwUMZCnSutQciey10eRdzFRg6Hl7H3q+BDFKbgl7BcLel6JEfNFPj I1r0fCRugPDPS4PeeoPB7uFp5DYz/YwVUHmpe7xbSwgPf8DwDfLjnJ72Q2090CmH c8nwOnZhwIdB6/9n/oWrftxzOLMJhR+Kkmi0gYAtMilSWZATQumiRl1QAO93cJGJ 7f2UcWcYQYH3eJ/KC46UHaoWAayQJOtYvsdLwJYmQ4koSpUZBLQNCaEe9x28YViy man0U3Ucr24kG1jmx95McJeacBOEmlRmJSPLHV5KrXb7jrHEj5lm6rZjS46D8HvD I2XXDMNLPRhII2mXBpC7O2CzulEIMc9QDV5NDj048D08AzJiOb1o790LYsaO2IPU sY+HoykV4jHSsbjKnkNjl1JybiVPmyC31IJZwnzQUzKgo2mYQGo9AE9bx8nV9X3R PqpoMnJsiAKztGhfB6/AK/3so2F3KbrE4gKCypSMqrdhm4o/vqjeTmUerr/ed5GJ nwGZkVPapAc8sXgu67iWX4OecwxfL1zp5U9DrsFwQwUnbFwM75bOU+D8LaJScBfL iNo1eYU8Y+a6YzTBkJh0psLqNNBMwkdzqTOZC6OH7uFAcw6DK4vZvnFCd8tXm2AY 9JX275Bhq6o= =dOT9 -----END PGP SIGNATURE-----