CVE-2019-10745 : What You Need to Know

Versions of assign-deep prior to 0.4.8 and version 1.0.0 are susceptible to a type of vulnerability known as Prototype Pollution. This vulnerability allows the assign-deep function to inadvertently add or alter properties of Object.prototype through the use of either a constructor or a proto payload.

Understanding CVE-2019-10745

assign-deep is vulnerable to Prototype Pollution in versions before 0.4.8 and version 1.0.0.

What is CVE-2019-10745?

CVE-2019-10745 is a vulnerability in assign-deep that allows for Prototype Pollution, enabling unauthorized modification of Object.prototype properties.

The Impact of CVE-2019-10745

This vulnerability could lead to unexpected behavior, data manipulation, or even remote code execution by malicious actors.

Technical Details of CVE-2019-10745

assign-deep is affected by the following:

Vulnerability Description

The assign-deep function can be manipulated to modify Object.prototype properties, posing a security risk.

Affected Systems and Versions

Product: assign-deep
Vendor: n/a
Versions: All versions prior to 0.4.8 and version 1.0.0

Exploitation Mechanism

The vulnerability can be exploited by injecting a constructor or a proto payload to alter Object.prototype properties.

Mitigation and Prevention

To address CVE-2019-10745, consider the following steps:

Immediate Steps to Take

Update assign-deep to version 0.4.8 or higher to mitigate the vulnerability.
Regularly monitor for security advisories and patches from the vendor.

Long-Term Security Practices

Implement input validation to prevent malicious payloads.
Conduct security audits and code reviews to identify and address vulnerabilities.

Patching and Updates

Apply patches and updates promptly to ensure the security of the assign-deep library.