CVE-2020-7616 Explained : Impact and Mitigation

express-mock-middleware through version 0.0.6 is vulnerable to Prototype Pollution, allowing attackers to manipulate

Object.prototype

properties. Although considered low risk, exploitation involves placing attack code in a new directory.

Understanding CVE-2020-7616

This CVE involves a vulnerability in express-mock-middleware that can lead to Prototype Pollution.

What is CVE-2020-7616?

CVE-2020-7616 is a security vulnerability in express-mock-middleware up to version 0.0.6, enabling attackers to modify or add properties to

Object.prototype

.

The Impact of CVE-2020-7616

The vulnerability poses a low risk as it requires specific conditions for exploitation, such as creating a new directory to place attack code.

Technical Details of CVE-2020-7616

This section provides detailed technical information about the CVE.

Vulnerability Description

express-mock-middleware through version 0.0.6 is susceptible to Prototype Pollution, allowing unauthorized manipulation of

Object.prototype

properties.

Affected Systems and Versions

Product: express-mock-middleware
Vendor: n/a
Versions affected: All versions including 0.0.6

Exploitation Mechanism

Attackers can trick exported functions to modify

Object.prototype

properties.
Exploitation requires creating a new directory to place attack code.

Mitigation and Prevention

Protect your systems from CVE-2020-7616 with these mitigation strategies.

Immediate Steps to Take

Update express-mock-middleware to a patched version.
Monitor for any suspicious activity related to

Object.prototype

manipulation.

Long-Term Security Practices

Regularly update dependencies to patched versions.
Implement secure coding practices to prevent Prototype Pollution vulnerabilities.

Patching and Updates

Stay informed about security updates for express-mock-middleware.
Apply patches promptly to mitigate the risk of Prototype Pollution vulnerabilities.