CVE-2019-0261 Explained : Impact and Mitigation
Learn about CVE-2019-0261, a security vulnerability in SAP HANA Extended Application Services affecting versions < 1.0.97 to 1.0.99. Find out the impact, technical details, and mitigation steps.
CVE-2019-0261 was published on February 15, 2019, by SAP SE. It involves authentication checks for XS advanced platform and business users in SAP HANA Extended Application Services.
Understanding CVE-2019-0261
This CVE addresses a vulnerability in SAP HANA Extended Application Services, advanced model (XS advanced) that could lead to incorrect execution of authentication checks in specific scenarios.
What is CVE-2019-0261?
Under certain circumstances, XS advanced in SAP HANA Extended Application Services may fail to perform authentication checks properly for XS advanced platform and business users. The affected versions are 1.0.97 to 1.0.99 running on SAP HANA 1 or SAP HANA 2 SPS0.
The Impact of CVE-2019-0261
The vulnerability could potentially allow unauthorized access to the XS advanced platform and business user data, compromising the security and integrity of the system.
Technical Details of CVE-2019-0261
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The issue arises from the failure of XS advanced to execute authentication checks correctly for platform and business users in specific situations.
Affected Systems and Versions
- Product: SAP HANA Extended Application Services
- Vendor: SAP SE
- Versions Affected: < 1.0.97 to 1.0.99 (running on SAP HANA 1 or SAP HANA 2 SPS0)
Exploitation Mechanism
The vulnerability could be exploited by malicious actors to bypass authentication controls and gain unauthorized access to sensitive data within the XS advanced platform.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Update the affected systems to versions 1.0.97 to 1.0.99, which contain the necessary fixes.
- Monitor system logs for any suspicious activities related to authentication.
Long-Term Security Practices
- Regularly review and update authentication mechanisms to ensure robust security measures.
- Conduct security audits and penetration testing to identify and address any potential vulnerabilities.
Patching and Updates
- Apply security patches and updates provided by SAP to mitigate the vulnerability effectively.