CVE-2024-3393Palo Alto NetworksFirewall and VPNDecember 30, 2024

Palo Alto Networks PAN-OS Malicious DNS Packet Vulnerability

High 7.5Actively exploited

Description

Palo Alto Networks PAN-OS contains a vulnerability in parsing and logging malicious DNS packets in the DNS Security feature that, when exploited, allows an unauthenticated attacker to remotely reboot the firewall. Repeated attempts to trigger this condition will cause the firewall to enter maintenance mode.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Details

Vendor
Palo Alto Networks
Product
PAN-OS
CVE
CVE-2024-3393
Affected versions
PAN-OS 11.2: from 11.2.0 to 11.2.3 (excluded) — fixed in 11.2.3
PAN-OS 11.1: from 11.1.0 to 11.1.2-h16 (excluded) — fixed in 11.1.2-h16
PAN-OS 10.2: from 10.2.8 to 10.2.8-h19 (excluded) — fixed in 10.2.8-h19
PAN-OS 10.1: from 10.1.14 to 10.1.14-h8 (excluded) — fixed in 10.1.14-h8 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
7.5
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
January 20, 2025 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
December 30, 2024

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

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