CVE-2018-2436 Explained : Impact and Mitigation
Learn about CVE-2018-2436, a privilege escalation vulnerability in SAP R/3 Enterprise Retail (EHP6) allowing authenticated users to elevate privileges without proper authorization checks. Find mitigation steps and long-term security practices.
A vulnerability in SAP R/3 Enterprise Retail (EHP6) allows authenticated users to escalate privileges through the WRCK transaction.
Understanding CVE-2018-2436
This CVE entry describes a security issue in SAP R/3 Enterprise Retail (EHP6) related to missing authentication checks.
What is CVE-2018-2436?
The vulnerability in the WRCK transaction of SAP R/3 Enterprise Retail (EHP6) enables authenticated users to elevate their privileges without proper authorization checks.
The Impact of CVE-2018-2436
The lack of necessary authentication verification in the WRCK transaction can lead to unauthorized escalation of privileges within the SAP system.
Technical Details of CVE-2018-2436
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The flaw allows authenticated users to execute the WRCK transaction without undergoing essential authorization checks, potentially leading to privilege escalation.
Affected Systems and Versions
- Affected Product: SAP R/3 Enterprise Retail
- Affected Version: EHP6
Exploitation Mechanism
The vulnerability can be exploited by authenticated users leveraging the WRCK transaction to gain unauthorized access and escalate their privileges within the SAP system.
Mitigation and Prevention
Protecting systems from CVE-2018-2436 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply relevant security patches provided by SAP promptly.
- Monitor user activities, especially those involving critical transactions like WRCK.
- Restrict access to vulnerable transactions based on user roles and permissions.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify and address vulnerabilities proactively.
- Educate users on secure practices and the importance of following proper authorization procedures.
Patching and Updates
- Stay informed about security updates and patches released by SAP for the affected systems.
- Implement a robust patch management process to ensure timely application of security fixes.