Rewterz Threat Advisory – Multiple Microsoft Windows Vulnerabilities

Rewterz Threat Advisory – CVE-2021-22048 – VMware vCenter Server privilege escalation

November 11, 2021

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

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.

Request a demo