CVE-2024-45283 in NetWeaver AS for Java
Summary
by MITRE • 09/10/2024
SAP NetWeaver AS for Java allows an authorized attacker to obtain sensitive information. The attacker could obtain the username and password when creating an RFC destination. After successful exploitation, an attacker can read the sensitive information but cannot modify or delete the data.
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Analysis
by VulDB Data Team • 09/10/2024
SAP NetWeaver Application Server for Java contains a security vulnerability that allows authorized attackers to extract sensitive authentication credentials during the creation of RFC destinations. This vulnerability represents a significant information disclosure risk within SAP environments where proper access controls may not be enforced. The flaw specifically manifests when attackers can retrieve username and password combinations that are typically protected from unauthorized access. The vulnerability falls under the category of information disclosure as defined by common weakness enumeration standards, where sensitive data is exposed to unauthorized parties without proper authorization mechanisms. According to the ATT&CK framework, this represents a technique for privilege escalation and credential access through legitimate system interfaces.
The technical implementation of this vulnerability occurs within the RFC destination creation process where authentication credentials are stored in a manner that does not adequately protect sensitive information. When an attacker successfully exploits this weakness, they can access stored credentials that may be used to establish additional connections or access other systems within the network. The attacker's ability to read rather than modify or delete data indicates this is primarily an information disclosure issue rather than a full privilege escalation vector. However, the exposure of authentication credentials provides attackers with the means to potentially access additional systems, making this a critical concern for enterprise environments. The vulnerability impacts systems where SAP NetWeaver AS for Java is deployed and where RFC destination creation functionality is utilized.
The operational impact of this vulnerability extends beyond immediate credential exposure, as it can enable attackers to escalate their privileges within the SAP ecosystem and potentially access other systems that rely on the compromised credentials. Organizations using SAP NetWeaver AS for Java should consider the broader implications of credential exposure, particularly in environments where the compromised credentials might be used to access databases, application servers, or other enterprise resources. This vulnerability can be exploited by attackers who have legitimate access to the SAP system but lack the authorization to view sensitive configuration data. The exposure of authentication credentials can lead to further compromise of the enterprise infrastructure, especially in scenarios where users employ the same credentials across multiple systems.
Organizations should implement immediate mitigations including enhanced access controls for RFC destination creation processes, regular monitoring for unauthorized access attempts, and credential rotation procedures for systems where this vulnerability has been identified. SAP has released patches to address this vulnerability, and organizations should prioritize deployment of these updates to prevent exploitation. Additional security measures include implementing network segmentation to limit access to SAP systems, enforcing strong authentication mechanisms, and conducting regular security assessments of SAP configurations. The vulnerability demonstrates the importance of proper credential management and access control enforcement within enterprise systems. Security teams should also consider implementing automated monitoring for suspicious RFC destination creation activities and establish incident response procedures for credential exposure events.