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Rewterz Threat Advisory – Palo Alto Networks PAN-OS buffer overflow

Severity

High

Analysis Summary

CVE-2021-3064

Palo Alto Networks PAN-OS is vulnerable to a stack-based buffer overflow, caused by a memory corruption flaw in the GlobalProtect portal and gateway interfaces. By sending a specially-crafted HTTP request using HTTP smuggling techniques, a remote attacker could overflow a buffer and execute arbitrary code on the system with root privileges.

Impact

  • Remote code execution
  • Unauthorized access

Affected Vendors

Palo Alto

Affected Products

  • Palo Alto Networks PAN-OS 8.1
  • Palo Alto Networks PAN-OS 8.1.16

Remediation

This issue is fixed in PAN-OS 8.1.17 and all later PAN-OS versions.

https://security.paloaltonetworks.com/CVE-2021-3064