CVE-2020-7684 : Exploit Details and Defense Strategies

This CVE-2020-7684 article provides insights into a vulnerability affecting the rollup-plugin-serve package due to a lack of path sanitization in the readFile operation.

Understanding CVE-2020-7684

This vulnerability, known as Directory Traversal, was made public on July 17, 2020, by the JHU System Security Lab.

What is CVE-2020-7684?

CVE-2020-7684 is a security vulnerability that impacts all versions of the rollup-plugin-serve package, exposing systems to potential exploitation through directory traversal.

The Impact of CVE-2020-7684

The vulnerability has a CVSS v3.1 base score of 7.5, indicating a high severity level with a proof-of-concept exploit code available. It poses a risk of integrity impact.

Technical Details of CVE-2020-7684

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue arises from the absence of path sanitization in the readFile operation within the rollup-plugin-serve package.

Affected Systems and Versions

Product: rollup-plugin-serve
Vendor: Not applicable
Versions: Custom version 0

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2020-7684 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the rollup-plugin-serve package to a patched version.
Implement input validation and proper path sanitization in applications.

Long-Term Security Practices

Regularly monitor and audit file operations for potential vulnerabilities.
Educate developers on secure coding practices to prevent directory traversal attacks.

Patching and Updates

Stay informed about security updates for the rollup-plugin-serve package and apply patches promptly.