CVE-2019-0021 Explained : Impact and Mitigation
Learn about CVE-2019-0021 affecting Juniper ATP, where secret CLI inputs are logged in clear text, allowing unauthorized access. Find mitigation steps and upgrade recommendations.
Juniper ATP: secret CLI inputs are logged to /var/log/syslog in clear text.
Understanding CVE-2019-0021
What is CVE-2019-0021?
In Juniper ATP, confidential command line interface (CLI) inputs related to the "set mcm" function are recorded in plain text in the /var/log/syslog file. This vulnerability allows an authenticated local user to access and read sensitive information.
The Impact of CVE-2019-0021
This vulnerability has a CVSS base score of 7.1, indicating a high severity level with confidentiality and integrity impacts.
Technical Details of CVE-2019-0021
Vulnerability Description
The vulnerability in Juniper ATP allows secret CLI inputs to be logged in clear text, potentially exposing sensitive information.
Affected Systems and Versions
- Product: Juniper ATP
- Vendor: Juniper Networks
- Versions affected: Up to 5.0.4
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: Low
- User Interaction: None
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to version 5.0.4 or later to resolve the issue
- Purge affected log files and change passphrases post-upgrade
Long-Term Security Practices
- Limit access to trusted administrators from trusted networks to minimize risks
Patching and Updates
- Regularly update and patch Juniper ATP to ensure the latest security fixes are in place