CVE-2019-1565 : What You Need to Know

CVE-2019-1565 was published on January 23, 2019, affecting Palo Alto Networks PAN-OS versions 7.1.21 and earlier, 8.0.14 and earlier, and 8.1.5 and earlier. The vulnerability involves potential exploitation in the PAN-OS external dynamics lists, allowing an authenticated attacker with write privileges to inject arbitrary JavaScript or HTML code.

Understanding CVE-2019-1565

This CVE identifies a Cross-Site Scripting (XSS) vulnerability in Palo Alto Networks PAN-OS.

What is CVE-2019-1565?

The vulnerability in PAN-OS versions 7.1.21 and earlier, 8.0.14 and earlier, and 8.1.5 and earlier allows an attacker with write privileges to inject malicious code into the External Dynamic List configuration.

The Impact of CVE-2019-1565

The vulnerability could be exploited by an authenticated attacker to inject arbitrary JavaScript or HTML code, potentially leading to Cross-Site Scripting attacks.

Technical Details of CVE-2019-1565

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability in PAN-OS external dynamics lists allows an attacker with write privileges to inject arbitrary JavaScript or HTML code.

Affected Systems and Versions

Palo Alto Networks PAN-OS 7.1.21 and earlier
Palo Alto Networks PAN-OS 8.0.14 and earlier
Palo Alto Networks PAN-OS 8.1.5 and earlier

Exploitation Mechanism

The vulnerability can be exploited by an authenticated attacker with write privileges to the Next Generation Firewall's External Dynamic List configuration.

Mitigation and Prevention

Protecting systems from CVE-2019-1565 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Restrict access to the External Dynamic List configuration to authorized personnel only.
Monitor and review changes made to the External Dynamic List configuration.

Long-Term Security Practices

Regularly update and patch PAN-OS to the latest versions.
Conduct security training to educate users on the risks of XSS attacks.

Patching and Updates

Ensure that all PAN-OS installations are updated with the latest patches and security updates.