CVE-2019-7942 : Vulnerability Insights and Analysis
Learn about CVE-2019-7942, a critical remote code execution vulnerability in Magento 2 versions 2.1, 2.2, and 2.3. Find out the impact, affected systems, exploitation method, and mitigation steps.
Magento 2 versions 2.1 before 2.1.18, 2.2 before 2.2.9, and 2.3 before 2.3.2 are affected by a remote code execution vulnerability that allows an authorized user with administrative privileges to execute arbitrary code through malicious XML layout updates.
Understanding CVE-2019-7942
This CVE identifies a critical security flaw in Magento versions that could lead to remote code execution.
What is CVE-2019-7942?
CVE-2019-7942 is a vulnerability in Magento 2 versions 2.1, 2.2, and 2.3 that enables an authenticated user with admin rights to execute arbitrary code by manipulating XML layout updates.
The Impact of CVE-2019-7942
The vulnerability poses a severe risk as it allows attackers to run malicious code on the affected Magento instances, potentially leading to unauthorized access, data theft, and system compromise.
Technical Details of CVE-2019-7942
Magento 2 versions 2.1.18, 2.2.9, and 2.3.2 are affected by this vulnerability.
Vulnerability Description
The flaw permits an authorized user to create or modify a product, triggering the execution of arbitrary code through XML layout updates.
Affected Systems and Versions
- Product: Magento 2
- Versions: 2.1 prior to 2.1.18, 2.2 prior to 2.2.9, 2.3 prior to 2.3.2
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging administrative privileges to insert malicious XML layout updates, enabling the execution of unauthorized code.
Mitigation and Prevention
To address CVE-2019-7942, follow these steps:
Immediate Steps to Take
- Apply the security patch provided by Magento for versions 2.1.18, 2.2.9, and 2.3.2.
- Monitor for any unauthorized product modifications or unusual XML layout updates.
Long-Term Security Practices
- Regularly update Magento to the latest secure versions.
- Implement least privilege access controls to limit admin capabilities.
- Conduct security audits and penetration testing to identify vulnerabilities.
Patching and Updates
Magento has released security updates for versions 2.1.18, 2.2.9, and 2.3.2 to address this vulnerability.