CVE-2020-7648 : Security Advisory and Response

Snyk-broker versions before 4.72.2 are susceptible to Arbitrary File Read, enabling unauthorized users to access files within Snyk's internal network.

Understanding CVE-2020-7648

What is CVE-2020-7648?

This CVE identifies a vulnerability in snyk-broker versions prior to 4.72.2 that allows unauthorized file reads by appending the URL with a fragment identifier and a whitelisted path.

The Impact of CVE-2020-7648

The vulnerability permits unauthorized users to read arbitrary files within Snyk's internal network, potentially exposing sensitive information.

Technical Details of CVE-2020-7648

Vulnerability Description

The issue in snyk-broker versions before 4.72.2 allows users to perform arbitrary file reads by manipulating the URL with specific parameters.

Affected Systems and Versions

Product: snyk-broker
Vendor: n/a
Vulnerable Versions: All versions before 4.72.2

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by appending the URL with a fragment identifier and a whitelisted path, such as

#package.json

.

Mitigation and Prevention

Immediate Steps to Take

Upgrade snyk-broker to version 4.72.2 or later to mitigate the vulnerability.
Restrict network access to authorized users only.

Long-Term Security Practices

Regularly monitor and audit file access within the network.
Implement access controls and user permissions to limit unauthorized file reads.

Patching and Updates

Apply security patches and updates promptly to address known vulnerabilities and enhance system security.