CVE-2020-2031Medium

CVE-2020-2031 PAN-OS: Integer underflow in the management interface

Published
July 8, 2020
Last Modified
July 8, 2020

🔗 CVE IDs covered (1)

CVE-2020-2031 →

📋 Description

An integer underflow vulnerability in the dnsproxyd component of the PAN-OS management interface allows authenticated administrators to issue a command from the command line interface that causes the component to stop responding. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode.

This issue impacts: PAN-OS 9.1 versions earlier than PAN-OS 9.1.3. This issue does not impact PAN-OS 8.1, PAN-OS 9.0, or Prisma Access services.

🎯 Affected products1

  • PAN-OS

✅ Remediation

This issue is fixed in PAN-OS 9.1.3 and all later PAN-OS versions. Workarounds and mitigations: This issue impacts the PAN-OS management interface but 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.

🔗 References (1)