CVE-2017-5218 : Security Advisory and Response

A security vulnerability related to SQL Injection has been found in SageCRM 7.x versions prior to 7.3 SP3. The vulnerability allows unauthorized access to the underlying database through manipulation of the database variable.

Understanding CVE-2017-5218

This CVE involves a SQL Injection vulnerability in SageCRM 7.x versions before 7.3 SP3.

What is CVE-2017-5218?

The vulnerability is present in the file AP_DocumentUI.asp, which includes Utilityfuncs.js and can be exploited through the database variable.
Attackers can manipulate the database variable via the URL to gain unauthorized access to the database.

The Impact of CVE-2017-5218

Unauthorized users can exploit this vulnerability to access sensitive data stored in the underlying database.
It poses a significant risk to the confidentiality and integrity of the data.

Technical Details of CVE-2017-5218

This section provides detailed technical information about the CVE.

Vulnerability Description

The SQL Injection vulnerability allows attackers to manipulate the database variable through the URL.
By injecting unexpected characters, unauthorized access to the database can be achieved.

Affected Systems and Versions

SageCRM 7.x versions prior to 7.3 SP3 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by providing unexpected characters in the database variable via the URL.
An example of the exploit URI is provided as a Proof of Concept.

Mitigation and Prevention

Protecting systems from CVE-2017-5218 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update SageCRM to version 7.3 SP3 or later to mitigate the vulnerability.
Implement input validation to sanitize user inputs and prevent SQL Injection attacks.

Long-Term Security Practices

Regularly monitor and audit database access for any suspicious activities.
Educate developers and administrators on secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply security patches provided by SageCRM promptly to address known vulnerabilities and enhance system security.