QID 730405

Date Published: 2022-03-24

QID 730405: Palo Alto Networks (PAN-OS) Buffer overflow in authd authentication response Vulnerability (CYR-10833)

PAN OS is the software that runs all Palo Alto Networks next-generation firewalls.

A buffer overflow vulnerability in the authd component of the PAN-OS management server allows authenticated administrators to disrupt system processes and potentially execute arbitrary code with root privileges.

Affected Versions:
PAN-OS 9.0 versions earlier than PAN-OS 9.0.7
PAN-OS 8.1 versions earlier than PAN-OS 8.1.13
PAN-OS 8.0 all versions
PAN-OS 7.1 all versions


QID Detection Logic (Authenticated):

This QID looks for the vulnerable version of PAN-OS

A buffer overflow vulnerability in the authd component of the PAN-OS management server allows authenticated administrators to disrupt system processes and potentially execute arbitrary code with root privileges.

  • CVSS V3 rated as High - 7.2 severity.
  • CVSS V2 rated as Critical - 9 severity.
    • Solution

    Refer to CYR-10833 for more information about patching this vulnerability.



    Workaround:
    This issue affects the management interface of PAN-OS and 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.

    Vendor References

    CVEs related to QID 730405

    CVE-2020-2027 |
    Software Advisories
    Advisory ID Software Component Link
    CYR-10833 URL Logo security.paloaltonetworks.com/CVE-2020-2027
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