CVE-2023-35809 : Exploit Details and Defense Strategies

An issue was discovered in SugarCRM Enterprise before 11.0.6 and 12.x before 12.0.3. A Bean Manipulation vulnerability has been identified in the REST API that allows custom PHP code injection through crafted requests due to missing input validation. This CVE affects editions other than Enterprise as well.

Understanding CVE-2023-35809

This section provides an overview of the CVE-2023-35809 vulnerability in SugarCRM.

What is CVE-2023-35809?

CVE-2023-35809 is a Bean Manipulation vulnerability in SugarCRM's REST API that allows an attacker to inject custom PHP code using crafted requests, exploiting the lack of input validation. This can be exploited with regular user privileges.

The Impact of CVE-2023-35809

The impact of this vulnerability is severe as it allows malicious actors to execute arbitrary PHP code within the context of the application, potentially leading to further attacks.

Technical Details of CVE-2023-35809

In this section, you will find detailed technical information about the CVE-2023-35809 vulnerability.

Vulnerability Description

The vulnerability lies in the REST API of SugarCRM, enabling attackers to inject custom PHP code through crafted requests due to inadequate input validation.

Affected Systems and Versions

SugarCRM Enterprise versions before 11.0.6 and 12.x before 12.0.3 are impacted. Additionally, editions other than Enterprise are also susceptible to this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the REST API, injecting malicious PHP code with the privileges of a regular user.

Mitigation and Prevention

Protect your systems against CVE-2023-35809 using the following mitigation strategies.

Immediate Steps to Take

Apply the latest security patches provided by SugarCRM to address this vulnerability.
Restrict access to the REST API to authorized users only.

Long-Term Security Practices

Implement regular security assessments and code reviews to identify and address vulnerabilities proactively.
Educate developers about secure coding practices and the importance of input validation.

Patching and Updates

Regularly update SugarCRM Enterprise to the latest versions to ensure that security patches are applied promptly.