CVE-2020-2031
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Palo Alto Networks | PAN-OS | 9.0.* | unaffected |
| Palo Alto Networks | PAN-OS | 8.1.* | unaffected |
| Palo Alto Networks | PAN-OS | 9.1 < 9.1.3 | affected |
Weaknesses
- CWE-191: CWE-191 Integer Underflow (Wrap or Wraparound)
Workarounds
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.
ADP Enrichment
CVE Program Container
Additional References
References
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