CVE-2020-1979 : Exploit Details and Defense Strategies
Discover a high-severity format string vulnerability in PAN-OS log daemon on Panorama allowing network-based attackers to execute arbitrary code. Learn about the impact, affected systems, and mitigation steps.
A format string vulnerability in the PAN-OS log daemon (logd) on Panorama allows a network-based attacker to execute arbitrary code, bypass restricted shell, and escalate privileges.
Understanding CVE-2020-1979
A high-severity vulnerability in PAN-OS log daemon (logd) on Panorama affecting Palo Alto Networks devices.
What is CVE-2020-1979?
- A format string vulnerability in PAN-OS log daemon on Panorama
- Allows network-based attackers to execute arbitrary code
- Impacting PAN-OS 8.1 versions earlier than 8.1.13 on Panorama
The Impact of CVE-2020-1979
- CVSS Score: 8.1 (High Severity)
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: None
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2020-1979
A detailed technical overview of the vulnerability.
Vulnerability Description
- Exploitable format string issue in PAN-OS log daemon
- Allows attackers to bypass restricted shell and escalate privileges
Affected Systems and Versions
- Affected: PAN-OS 8.1 versions less than 8.1.13 on Panorama
- Unaffected: PAN-OS 7.1, 9.0, and later versions
Exploitation Mechanism
- Attacker with network access and knowledge of registered devices
- Access to Panorama management interfaces required
Mitigation and Prevention
Measures to address the vulnerability.
Immediate Steps to Take
- Ensure PAN-OS 8.1.13 or later is deployed
- Monitor and restrict access to Panorama management interfaces
Long-Term Security Practices
- Regular security reviews and audits
- Implement network segmentation and access controls
Patching and Updates
- Vulnerability fixed in PAN-OS 8.1.13 and subsequent versions