CVE-2020-21522 : Vulnerability Insights and Analysis

An issue was discovered in halo V1.1.3. A Zip Slip Directory Traversal Vulnerability in the backend allows attackers to overwrite files and potentially gain operating system permissions.

Understanding CVE-2020-21522

This CVE involves a security vulnerability in halo V1.1.3 that could lead to unauthorized file overwriting and system access.

What is CVE-2020-21522?

The vulnerability in halo V1.1.3 enables a Zip Slip Directory Traversal attack, permitting attackers to overwrite specific files like ftl and .bashrc files in the user directory, potentially escalating their privileges.

The Impact of CVE-2020-21522

The exploitation of this vulnerability could result in unauthorized access to sensitive files and potentially compromise the entire operating system.

Technical Details of CVE-2020-21522

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The Zip Slip Directory Traversal Vulnerability in halo V1.1.3 allows attackers to overwrite critical files, potentially leading to system compromise.

Affected Systems and Versions

Product: halo V1.1.3
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating file paths to traverse directories and overwrite files, gaining unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2020-21522 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor promptly.
Implement file integrity monitoring to detect unauthorized changes.
Restrict access permissions to critical directories and files.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users and administrators on secure coding practices and awareness of directory traversal attacks.

Patching and Updates

Stay informed about security advisories and updates from the halo project.
Regularly update and patch the halo software to mitigate known vulnerabilities.