CVE-2024-27900 in ABAP Platform
Summary
by MITRE • 03/12/2024
Due to missing authorization check, attacker with business user account in SAP ABAP Platform - version 758, 795, can change the privacy setting of job templates from shared to private. As a result, the selected template would only be accessible to the owner.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 03/12/2024
This vulnerability exists within SAP ABAP Platform versions 758 and 795 where a critical authorization flaw allows business users to manipulate job template privacy settings without proper administrative privileges. The missing authorization check creates a privilege escalation vector that enables unauthorized modification of system resources. Specifically attackers can transition job templates from shared status to private status, effectively limiting access to only the template owner while previously accessible to all users within the organization. This represents a significant breakdown in the principle of least privilege and role-based access control mechanisms that should normally govern such administrative operations within SAP environments. The vulnerability aligns with CWE-284 which addresses improper access control issues, specifically focusing on insufficient authorization checks that allow unauthorized users to perform privileged operations.
The operational impact of this vulnerability extends beyond simple access restriction as it fundamentally undermines the collaborative nature of job template usage within SAP systems. When job templates become private, the intended shared functionality that enables multiple users to leverage common processing configurations is compromised, potentially disrupting business processes that depend on template reuse. This authorization bypass affects the integrity of system resource management and can lead to data silos where critical processing templates become isolated to individual users rather than maintained as organizational assets. The vulnerability particularly impacts organizations that rely heavily on job scheduling and automation processes, where job templates serve as foundational components for recurring business operations.
Security implications of this flaw include potential data exposure risks and operational disruptions that could affect business continuity. Attackers could leverage this vulnerability to selectively restrict access to critical job templates, potentially causing operational delays when legitimate users cannot access required processing configurations. The vulnerability also creates audit trail complications as unauthorized changes to template privacy settings may not be properly logged or detected by standard monitoring systems. Organizations should consider implementing additional controls through SAP's authorization management features and regular access reviews to detect unauthorized modifications. This vulnerability demonstrates the importance of proper authorization testing and validation of administrative functions within SAP platforms, particularly in environments where business users require elevated privileges for operational tasks. The flaw aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation through unauthorized access to system resources.
Mitigation strategies should focus on implementing proper authorization controls through SAP's role-based access control mechanisms and ensuring that administrative functions require appropriate authorization levels. Organizations should conduct immediate authorization reviews to identify and restrict unauthorized access to job template management functions. SAP customers should apply the relevant security patches and updates provided by SAP to address this authorization gap. Additionally implementing monitoring solutions that track changes to job template privacy settings can help detect unauthorized modifications. Regular security testing and validation of authorization controls should be performed to prevent similar vulnerabilities from emerging in other system components. The vulnerability underscores the critical need for continuous authorization validation and proper segregation of duties within SAP environments to prevent unauthorized access to administrative functions.