CVE-2020-28472 : Vulnerability Insights and Analysis

This CVE involves the packages @aws-sdk/shared-ini-file-loader and aws-sdk, affecting versions before 1.0.0-rc.9 and 2.814.0, respectively. An attacker can exploit this vulnerability through a malicious INI file, leading to prototype pollution.

Understanding CVE-2020-28472

This CVE pertains to a prototype pollution vulnerability in the mentioned packages.

What is CVE-2020-28472?

CVE-2020-28472 is a security vulnerability that allows an attacker to manipulate the prototype of an application by submitting a malicious INI file.

The Impact of CVE-2020-28472

The exploitation of this vulnerability can result in the pollution of the prototype on the application, potentially leading to further exploitation based on the context.

Technical Details of CVE-2020-28472

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows an attacker to pollute the prototype of an application by submitting a malicious INI file.

Affected Systems and Versions

@aws-sdk/shared-ini-file-loader before 1.0.0-rc.9
aws-sdk before 2.814.0

Exploitation Mechanism

The vulnerability can be exploited by submitting a malicious INI file to an application that parses it with loadSharedConfigFiles.

Mitigation and Prevention

Protect your systems from this vulnerability by following these steps:

Immediate Steps to Take

Update the affected packages to versions that are not vulnerable.
Implement input validation to prevent the submission of malicious files.

Long-Term Security Practices

Regularly update packages and dependencies to patch known vulnerabilities.
Conduct security audits and code reviews to identify and address potential security issues.

Patching and Updates

Apply patches provided by the package maintainers to fix the vulnerability.