CVE-2020-2016

Summary

A race condition due to insecure creation of a file in a temporary directory vulnerability in PAN-OS allows for root privilege escalation from a limited linux user account. This allows an attacker who has escaped the restricted shell as a low privilege administrator, possibly by exploiting another vulnerability, to escalate privileges to become root user. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All versions of PAN-OS 8.0.

Affected Software

VendorProductVersion RangeStatus
Palo Alto NetworksPAN-OS8.0.*affected
Palo Alto NetworksPAN-OS7.1 < 7.1.26affected
Palo Alto NetworksPAN-OS8.1 < 8.1.13affected
Palo Alto NetworksPAN-OS9.0 < 9.0.6affected
Palo Alto NetworksPAN-OS9.1.0 < 9.1*unaffected

Weaknesses

  • CWE-377: CWE-377 Insecure Temporary File

Workarounds

This issue affects the management interface of PAN-OS and is strongly mitigated 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.

ADP Enrichment

CVE Program Container

Additional References

References