CVE-2018-20733 : Security Advisory and Response

BI Web Services in versions prior to 9.4M6 of the SAS Web Infrastructure Platform are susceptible to XXE vulnerability.

Understanding CVE-2018-20733

BI Web Services in SAS Web Infrastructure Platform before 9.4M6 allows XXE.

What is CVE-2018-20733?

This CVE identifies an XML External Entity (XXE) vulnerability in BI Web Services within the SAS Web Infrastructure Platform versions preceding 9.4M6.

The Impact of CVE-2018-20733

The vulnerability could allow an attacker to exploit the XXE vulnerability, potentially leading to unauthorized access, data disclosure, or denial of service.

Technical Details of CVE-2018-20733

Vulnerability Description

BI Web Services in SAS Web Infrastructure Platform versions before 9.4M6 are prone to XXE attacks.

Affected Systems and Versions

Product: SAS Web Infrastructure Platform
Versions affected: Prior to 9.4M6

Exploitation Mechanism

The vulnerability can be exploited by manipulating XML input to access sensitive data or execute arbitrary code.

Mitigation and Prevention

Immediate Steps to Take

Update to version 9.4M6 or later to mitigate the XXE vulnerability.
Implement input validation to sanitize XML inputs.

Long-Term Security Practices

Regularly monitor and update software to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Apply security patches and updates provided by SAS to ensure the latest fixes for vulnerabilities.