CVE-2020-7649 : Exploit Details and Defense Strategies

This CVE-2020-7649 article provides insights into a vulnerability affecting the snyk-broker package before version 4.73.0, allowing arbitrary file reads through directory traversal.

Understanding CVE-2020-7649

This section delves into the details of the CVE-2020-7649 vulnerability.

What is CVE-2020-7649?

CVE-2020-7649 is a vulnerability in the snyk-broker package that permits unauthorized users within Snyk's internal network to perform arbitrary file reads via directory traversal.

The Impact of CVE-2020-7649

The vulnerability has a CVSS v3.1 base score of 4.9, indicating a medium severity issue with high confidentiality impact.

Technical Details of CVE-2020-7649

Exploring the technical aspects of CVE-2020-7649.

Vulnerability Description

The vulnerability in snyk-broker before 4.73.0 allows users to read arbitrary files by exploiting directory traversal.

Affected Systems and Versions

Product: snyk-broker
Vendor: Not applicable
Versions affected: < 4.73.0 (unspecified/custom)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: None
Exploit Code Maturity: Proof of Concept

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2020-7649.

Immediate Steps to Take

Upgrade snyk-broker to version 4.73.0 or higher.
Restrict network access to authorized users only.

Long-Term Security Practices

Regularly monitor and audit file access within the network.
Implement strong access controls and user permissions.

Patching and Updates

Apply official fixes provided by Snyk promptly to address the vulnerability.