CVE-2020-13867 : Vulnerability Insights and Analysis
Learn about CVE-2020-13867, a vulnerability in Open-iSCSI targetcli-fb up to version 2.1.52 with weak permissions, allowing unauthorized access. Find mitigation steps and long-term security practices here.
Open-iSCSI targetcli-fb through 2.1.52 has weak permissions for /etc/target (and for the backup directory and backup files).
Understanding CVE-2020-13867
Open-iSCSI targetcli-fb through version 2.1.52 is impacted by weak permissions for critical directories and files.
What is CVE-2020-13867?
CVE-2020-13867 refers to a vulnerability in Open-iSCSI targetcli-fb versions up to 2.1.52, where inadequate permissions are set for specific directories and files.
The Impact of CVE-2020-13867
The vulnerability allows unauthorized users to potentially access and modify sensitive files, leading to unauthorized disclosure of information or system compromise.
Technical Details of CVE-2020-13867
Open-iSCSI targetcli-fb through version 2.1.52 is affected by weak permissions for critical directories and files.
Vulnerability Description
The issue arises from insufficient access controls on the /etc/target directory, as well as the backup directory and files, potentially exposing sensitive data.
Affected Systems and Versions
- Product: Open-iSCSI targetcli-fb
- Vendor: N/A
- Versions affected: Up to 2.1.52
Exploitation Mechanism
Attackers with local access can exploit the weak permissions to gain unauthorized access to critical files, leading to potential data breaches or system compromise.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of CVE-2020-13867.
Immediate Steps to Take
- Apply the latest patches or updates provided by the vendor.
- Restrict access to sensitive directories and files to authorized users only.
- Monitor file permissions regularly to ensure proper security configurations.
Long-Term Security Practices
- Implement the principle of least privilege to restrict access rights for users and processes.
- Conduct regular security audits and assessments to identify and remediate vulnerabilities proactively.
- Educate users on best practices for file and directory permissions to enhance overall security posture.
Patching and Updates
- Stay informed about security advisories and updates from the vendor.
- Apply patches promptly to mitigate the risk of exploitation and enhance system security.