CVE-2023-30857 : Vulnerability Insights and Analysis

A possible prototype pollution vulnerability was discovered in the

@aedart/support

package, affecting versions prior to

0.6.1

when used in conjunction with the

meta

decorator. This CVE has a CVSS base score of 3.7.

Understanding CVE-2023-30857

This section provides insight into the nature of the CVE and its potential impact.

What is CVE-2023-30857?

The vulnerability arises from improper control of object prototype attributes, leading to the potential for modification of object prototypes (Prototype Pollution). Aedart's 'Ion' monorepo for JavaScript/TypeScript packages is affected.

The Impact of CVE-2023-30857

The exploitation involves a questionable likelihood as it requires setting or altering a class's metadata when decorated via

meta()

. Sensitive objects must be stored as metadata for a security impact to occur. The issue has been addressed in version

0.6.1

.

Technical Details of CVE-2023-30857

This section delves into the vulnerability specifics.

Vulnerability Description

The vulnerability allows alteration of object prototypes due to improper control, potentially leading to security risks if sensitive objects are stored as metadata.

Affected Systems and Versions

Vendor: Aedart
Product: Ion
Affected Versions: Prior to

0.6.1

Exploitation Mechanism

Exploiting the vulnerability requires decorating a class with the

meta()

decorator and storing sensitive objects as metadata before the security impact can occur.

Mitigation and Prevention

Guidelines on how to mitigate and prevent exploitation of the CVE.

Immediate Steps to Take

Upgrade to version

0.6.1

of the

@aedart/support

package.
Avoid storing sensitive objects as metadata.

Long-Term Security Practices

Regularly update dependencies to patched versions.
Follow secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates to mitigate the risk of prototype pollution vulnerabilities.