CVE-2019-0257 : Vulnerability Insights and Analysis
Learn about CVE-2019-0257 affecting SAP ABAP Platform versions 7.0 to 7.02, 7.10 to 7.11, 7.30, 7.31, 7.40, 7.50 to 7.53, and 7.74 to 7.75. Understand the impact, technical details, and mitigation steps.
CVE-2019-0257 was published on February 15, 2019, by SAP SE. The vulnerability affects ABAP Platform(SAP Basis) versions ranging from 7.0 to 7.02, 7.10 to 7.11, 7.30, 7.31, 7.40, 7.50 to 7.53, and 7.74 to 7.75. It involves missing authorization checks, potentially leading to privilege escalation.
Understanding CVE-2019-0257
This CVE highlights a security issue in SAP NetWeaver AS ABAP Platform that could allow authenticated users to escalate their privileges due to inadequate authorization checks.
What is CVE-2019-0257?
The vulnerability in SAP ABAP Platform versions mentioned allows users to customize functionality without proper authorization checks, posing a risk of privilege escalation.
The Impact of CVE-2019-0257
The absence of necessary authorization verification for authenticated users increases the likelihood of unauthorized privilege elevation within the affected SAP ABAP Platform versions.
Technical Details of CVE-2019-0257
This section provides a deeper dive into the technical aspects of the vulnerability.
Vulnerability Description
The customization of functionality in SAP NetWeaver AS ABAP Platform versions from 7.0 to 7.02, 7.10 to 7.11, 7.30, 7.31, 7.40, 7.50 to 7.53, and 7.74 to 7.75 lacks the required authorization checks for authenticated users, leading to an increased risk of privilege escalation.
Affected Systems and Versions
- ABAP Platform(SAP Basis) versions from 7.0 to 7.02
- ABAP Platform(SAP Basis) versions from 7.10 to 7.11
- ABAP Platform(SAP Basis) version 7.30
- ABAP Platform(SAP Basis) version 7.31
- ABAP Platform(SAP Basis) version 7.40
- ABAP Platform(SAP Basis) versions from 7.50 to 7.53
- ABAP Platform(SAP Basis) versions from 7.74 to 7.75
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to manipulate functionality within the specified SAP ABAP Platform versions, potentially gaining unauthorized privileges.
Mitigation and Prevention
To address CVE-2019-0257 and enhance security, consider the following steps:
Immediate Steps to Take
- Apply relevant security patches provided by SAP.
- Monitor and restrict user permissions to minimize the risk of privilege escalation.
Long-Term Security Practices
- Regularly review and update authorization policies within the SAP environment.
- Conduct security training for users to raise awareness of privilege escalation risks.
Patching and Updates
Ensure timely installation of security patches and updates from SAP to mitigate the vulnerability effectively.