CVE-2019-0244 : Exploit Details and Defense Strategies
Learn about CVE-2019-0244, a Cross-Site Scripting (XSS) vulnerability in SAP CRM WebClient UI versions < 1.12. Understand the impact, affected systems, and mitigation steps.
A Cross-Site Scripting (XSS) vulnerability in SAP CRM WebClient UI versions < 1.12 could allow attackers to exploit user-controlled inputs.
Understanding CVE-2019-0244
What is CVE-2019-0244?
The vulnerability in SAP CRM WebClient UI versions < 1.12 allows for XSS attacks due to inadequate input encoding.
The Impact of CVE-2019-0244
The XSS vulnerability could lead to unauthorized access, data theft, and potential system compromise.
Technical Details of CVE-2019-0244
Vulnerability Description
The issue arises from the failure to properly encode user inputs, enabling malicious scripts to execute in users' browsers.
Affected Systems and Versions
- SAP CRM WebClient UI (SAPSCORE) < 1.12
- SAP CRM WebClient UI (S4FND) < 1.02
- SAP CRM WebClient UI (WEBCUIF) < 7.31, 7.46, 7.47, 7.48, 8.0, 8.01
Exploitation Mechanism
Attackers can inject scripts into web pages viewed by other users, leading to session hijacking or unauthorized actions.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by SAP to fix the XSS vulnerability.
- Educate users about the risks of clicking on suspicious links or downloading files.
Long-Term Security Practices
- Regularly update and monitor security configurations.
- Implement input validation and output encoding to prevent XSS attacks.
Patching and Updates
Ensure all affected systems are updated with the latest security patches from SAP.