Merry fucking Christmas from Palo Alto Networks (Zero-Day): CVE-2024-3393 PAN-OS: Firewall Denial of Service (DoS) in DNS Security Using a Specially Crafted Packet
CVE-2024-3393 (CVSSv4: 8.7 high) A Denial of Service vulnerability in the DNS Security feature of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to send a malicious packet through the data plane of the firewall that reboots the firewall. Repeated attempts to trigger this condition will cause the firewall to enter maintenance mode.
Palo Alto Networks is aware of customers experiencing this denial of service (DoS) when their firewall blocks malicious DNS packets that trigger this issue.