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AUSCERT External Security Bulletin Redistribution
ESB-2020.1277
PAN-OS: Buffer overflow in the management server
9 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: PAN-OS
Publisher: Palo Alto
Operating System: Network Appliance
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1990
Original Bulletin:
https://securityadvisories.paloaltonetworks.com/CVE-2020-1990
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Palo Alto Networks Security Advisories / CVE-2020-1990
CVE-2020-1990 PAN-OS: Buffer overflow in the management server
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
NVD JSON
Published: 2020-04-08
Updated: 2020-04-08
Ref#: PAN-121319
Description
A stack-based buffer overflow vulnerability in the management server component
of PAN-OS allows an authenticated user to upload a corrupted PAN-OS
configuration and potentially execute code with root privileges.
This issue affects Palo Alto Networks PAN-OS 8.1 versions before 8.1.13; 9.0
versions before 9.0.7.
This issue does not affect PAN-OS 7.1.
Product Status
PAN-OS
Versions Affected Unaffected
8.1 < 8.1.13 >= 8.1.13
9.0 < 9.0.7 >= 9.0.7
7.1 7.1.*
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)
Solution
This issue is fixed in PAN-OS 8.1.13, PAN-OS 9.0.7 and all later versions.
Workarounds and Mitigations
These issues affect the management interface of PAN-OS and are strongly
mitigated by following best practices for securing the PAN-OS 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 9.0 technical documentation, available at:
https://docs.paloaltonetworks.com/pan-os/9-0/pan-os-admin/getting-started/
best-practices-for-securing-administrative-access.html.
Acknowledgements
This issue was discovered by Nicholas Newsom of Palo Alto Networks during
internal security review.
Timeline
2020-04-08 Initial publication
Terms of usePrivacyProduct Security Assurance and Vulnerability Disclosure
Policy Report vulnerabilitiesManage subscriptions
(C) 2020 Palo Alto Networks, Inc. All rights reserved.
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