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=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2024.2203 CVE-2024-3385 PAN-OS: Firewall Denial of Service (DoS) when GTP Security is Disabled 11 April 2024 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: PAN-OS Publisher: Palo Alto Networks Operating System: Network Appliance Resolution: Patch/Upgrade CVE Names: CVE-2024-3385 Original Bulletin: https://securityadvisories.paloaltonetworks.com/CVE-2024-3385 Comment: CVSS (Max): 8.2 CVE-2024-3385 (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:Y/R:U/V:D/RE:L/U:Amber) CVSS Source: Palo Alto Networks Calculator: https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:Y/R:U/V:D/RE:L/U:Amber - --------------------------BEGIN INCLUDED TEXT-------------------- Palo Alto Networks Security Advisories / CVE-2024-3385 CVE-2024-3385 PAN-OS: Firewall Denial of Service (DoS) when GTP Security is Disabled 047910 Severity 8.2 . HIGH Urgency MODERATE Response Effort LOW Recovery USER Value Density DIFFUSE Attack Vector NETWORK Attack Complexity LOW Attack Requirements PRESENT Automatable YES User Interaction NONE Product Confidentiality NONE Product Integrity NONE Product Availability HIGH Privileges Required NONE Subsequent Confidentiality NONE Subsequent Integrity NONE Subsequent Availability NONE NVD JSON Published 2024-04-10 Updated 2024-04-10 Reference PAN-221224 Discovered externally Description A packet processing mechanism in Palo Alto Networks PAN-OS software enables a remote attacker to reboot hardware-based firewalls. Repeated attacks eventually cause the firewall to enter maintenance mode, which requires manual intervention to bring the firewall back online. This affects the following hardware firewall models: - PA-5400 Series firewalls - PA-7000 Series firewalls Product Status Versions Affected Unaffected Cloud NGFW None All PAN-OS 11.1 None All PAN-OS 11.0 < 11.0.3 >= 11.0.3 PAN-OS 10.2 < 10.2.8 >= 10.2.8 PAN-OS 10.1 < 10.1.12 >= 10.1.12 PAN-OS 9.1 < 9.1.17 >= 9.1.17 PAN-OS 9.0 < 9.0.17-h4 >= 9.0.17-h4 Prisma Access None All Required Configuration for Exposure This does not affect VM-Series firewalls, CN-Series firewalls, Cloud NGFWs, or Prisma Access. This issue affects only PAN-OS configurations with GTP Security disabled. You should verify whether GTP Security is disabled by checking your firewall web interface (Device > Setup > Management > General Settings) and take the appropriate actions as needed. Severity: HIGH CVSSv4.0 Base Score: 8.2 (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N /SI:N/SA:N/AU:Y/R:U/V:D/RE:L/U:Amber) Exploitation Status Palo Alto Networks is not aware of any malicious exploitation of this issue. This was encountered by two customers in normal production usage. Weakness Type CWE-20 Improper Input Validation CWE-476: NULL Pointer Dereference Solution This issue is fixed in PAN-OS 9.0.17-h4, PAN-OS 9.1.17, PAN-OS 10.1.12, PAN-OS 10.2.8, PAN-OS 11.0.3, and all later PAN-OS versions. Workarounds and Mitigations Customers with a Threat Prevention subscription can block attacks for this vulnerability by enabling Threat ID 94993 (introduced in Applications and Threats content version 8832). Acknowledgments Palo Alto Networks thanks an external reporter for discovering and reporting this issue. Timeline 2024-04-10 Initial publication Terms of usePrivacyProduct Security Assurance and Vulnerability Disclosure Policy Report vulnerabilitiesManage subscriptions (C) 2024 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. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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