CVE-2021-42064 : Exploit Details and Defense Strategies

SAP Commerce versions 1905, 2005, 2105, 2011 are affected by a SQL Injection vulnerability that allows attackers to execute crafted database queries.

Understanding CVE-2021-42064

This CVE involves a SQL Injection vulnerability in SAP Commerce versions.

What is CVE-2021-42064?

If SAP Commerce is configured with an Oracle database and a query is created using the flexible search Java API with a parameterized 'in' clause, attackers can execute malicious database queries. The vulnerability occurs when the parameterized 'in' clause can accept over 1000 values.

The Impact of CVE-2021-42064

Attackers can exploit this vulnerability to execute crafted database queries, potentially exposing the backend database.

Technical Details of CVE-2021-42064

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows SQL Injection in SAP Commerce.

Affected Systems and Versions

Product: SAP Commerce
Vendor: SAP SE
Vulnerable Versions: < 1905, < 2005, < 2105, < 2011

Exploitation Mechanism

Attackers craft malicious database queries using the parameterized 'in' clause with over 1000 values.

Mitigation and Prevention

Steps to secure systems against CVE-2021-42064.

Immediate Steps to Take

Apply the necessary security patches provided by SAP.
Monitor database activity for any unusual queries.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update SAP Commerce to the latest versions.
Conduct security assessments and penetration testing.

Patching and Updates

Install security patches released by SAP to address the SQL Injection vulnerability.