CVE-2021-43852 : Vulnerability Insights and Analysis

OroPlatform, a PHP Business Application Platform, is affected by a JavaScript Prototype Pollution vulnerability that allows attackers to inject properties into JavaScript prototypes, leading to potential code execution. This CVE has a base score of 8.8, indicating a high severity issue.

Understanding CVE-2021-43852

OroPlatform is vulnerable to a JavaScript Prototype Pollution vulnerability that can result in code execution in libraries susceptible to this attack.

What is CVE-2021-43852?

CVE ID: CVE-2021-43852
CWE ID: CWE-74
Vendor: oroinc
Affected Version: < 4.2.8
CVSS Base Score: 8.8 (High)

The Impact of CVE-2021-43852

The vulnerability allows attackers to inject properties into JavaScript language construct prototypes in affected versions, potentially leading to code execution through libraries vulnerable to Prototype Pollution.

Technical Details of CVE-2021-43852

OroPlatform's JavaScript Prototype Pollution vulnerability requires attention for mitigation and prevention.

Vulnerability Description

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
User Interaction: REQUIRED
Scope: CHANGED

Affected Systems and Versions

The vulnerability affects OroPlatform version < 4.2.8.

Exploitation Mechanism

Attackers can exploit this issue by sending specially crafted requests to inject properties into JavaScript prototypes, enabling potential code execution.

Mitigation and Prevention

Addressing CVE-2021-43852 is crucial to secure OroPlatform installations.

Immediate Steps to Take

Upgrade to version 4.2.8 to apply the patched fix
Configure firewalls to block requests containing 'proto', 'constructor[prototype]', and 'constructor.prototype'

Long-Term Security Practices

Regularly update OroPlatform to the latest versions
Implement security best practices to prevent similar vulnerabilities

Patching and Updates

Ensure timely patching of systems running OroPlatform to protect against known vulnerabilities.