CVE-2020-36560 : What You Need to Know

CVE-2020-36560 is a vulnerability related to path traversal in github.com/artdarek/go-unzip.

Understanding CVE-2020-36560

What is CVE-2020-36560?

The CVE-2020-36560 vulnerability arises due to improper path sanitization in archives, allowing files to be written or overwritten outside the intended directory.

The Impact of CVE-2020-36560

This vulnerability can be exploited by attackers to manipulate file paths and potentially overwrite critical files, leading to unauthorized access or data loss.

Technical Details of CVE-2020-36560

Vulnerability Description

The issue is categorized under CWE 29: Path Traversal, where relative file paths can be abused to access sensitive files.

Affected Systems and Versions

Vendor: github.com/artdarek/go-unzip
Product: github.com/artdarek/go-unzip
Versions Affected: 0 (less than 1.0.0)

Exploitation Mechanism

The vulnerability can be exploited through the Unzip.Extract program routine, allowing malicious actors to traverse directories and access unauthorized files.

Mitigation and Prevention

Immediate Steps to Take

Update the affected package to a version higher than 1.0.0 to mitigate the vulnerability.
Implement input validation to sanitize file paths and prevent directory traversal attacks.

Long-Term Security Practices

Regularly monitor and audit file operations to detect any unauthorized access attempts.
Educate developers on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by the vendor to address known vulnerabilities.