CVE-2024-3393: Palo Alto Networks PAN-OS Malicious DNS Packet Vulnerability

CISA Known Exploited Vulnerability (KEV)

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.

Required action (CISA)

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

Notes

https://security.paloaltonetworks.com/CVE-2024-3393 ; https://nvd.nist.gov/vuln/detail/CVE-2024-3393

Weakness behind it

CISA records this vulnerability as an instance of CWE-754. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-3393
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog