PAN-OS Core Service DoS via Null Pointer Deref
CVE-2024-2551 Published on November 14, 2024
PAN-OS: Firewall Denial of Service (DoS) Using a Specially Crafted Packet
A null pointer dereference vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop a core system service on the firewall by sending a crafted packet through the data plane that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.
Vulnerability Analysis
CVE-2024-2551 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Timeline
Initial publication
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2024-2551
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Affected Versions
Palo Alto Networks Cloud NGFW:- Version All is unaffected.
- Version 11.2.0 is unaffected.
- Version 11.1.0 is unaffected.
- Version 11.0.0 and below 11.0.5 is affected.
- Version 10.2.0 and below 10.2.4-h6 is affected.
- Version 10.1.0 and below 10.1.14 is affected.
- Version All is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.