CVE-2019-17440 PAN-OS on PA-7000 Series: Improper restriction of communication to Log Forwarding Card (LFC) allows root access

Critical 10.0 Published Updated

An attacker with network access to the Log Forwarding Card can gain root access to PAN-OS on specific PA-7000 series devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-17440?

CVE-2019-17440 is a critical missing authorization vulnerability in Paloaltonetworks Pan-Os, published on 20 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper restriction of communications to Log Forwarding Card (LFC) on PA-7000 Series devices with second-generation Switch Management Card (SMC) may allow an attacker with network access to the LFC to gain root access to PAN-OS. This issue affects PAN-OS 9.0 versions prior to 9.0.5-h3 on PA-7080 and PA-7050 devices with an LFC installed and configured. This issue does not affect PA-7000 Series deployments using the first-generation SMC and the Log Processing Card (LPC). This issue does not affect any other PA series devices. This issue does not affect devices without an LFC. This issue does not affect PAN-OS 8.1 or prior releases. This issue only affected a very limited number of customers and we undertook individual outreach to help them upgrade. At the time of publication, all identified customers have upgraded SW or content and are not impacted.

Weakness: CWE-923

Which versions are affected by CVE-2019-17440?

It affects 1 product.

Products include Paloaltonetworks Pan-Os.

How do I fix CVE-2019-17440?

No fix has been published for CVE-2019-17440 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-17440 being exploited?

There is no known exploitation of CVE-2019-17440 in the wild and no public exploit code.

All Paloaltonetworks Pan-Os vulnerabilities

Sources

Also known as GHSA-4w28-4cpv-vvf3.

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