CVE-2012-2612 in NetWeaver
Summary
by MITRE
The DiagTraceHex function in disp+work.exe 7010.29.15.58313 and 7200.70.18.23869 in the Dispatcher in SAP NetWeaver 7.0 EHP1 and EHP2 allows remote attackers to cause a denial of service (daemon crash) via a crafted SAP Diag packet.
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Analysis
by VulDB Data Team • 11/26/2024
The vulnerability identified as CVE-2012-2612 represents a critical denial of service flaw within the SAP NetWeaver dispatcher component, specifically affecting versions 7010.29.15.58313 and 7200.70.18.23869. This issue resides in the DiagTraceHex function of the disp+work.exe process, which serves as the core dispatcher daemon responsible for managing client connections and processing requests within the SAP environment. The flaw manifests when the dispatcher receives malformed SAP Diag packets that trigger an improper handling of diagnostic trace data, ultimately leading to the daemon crash and complete service disruption.
The technical exploitation of this vulnerability occurs through the manipulation of SAP Diag protocol packets that are designed for diagnostic purposes within SAP systems. When the DiagTraceHex function processes these crafted packets, it fails to properly validate input parameters and handle malformed data structures, causing memory corruption and subsequent process termination. This behavior aligns with CWE-121, which describes heap-based buffer overflow conditions, and CWE-122, which covers buffer overflow vulnerabilities in heap-based memory structures. The vulnerability exploits the lack of proper input validation and error handling mechanisms within the diagnostic trace processing subsystem.
The operational impact of CVE-2012-2612 extends beyond simple service disruption as it can effectively render SAP NetWeaver systems unavailable to legitimate users and applications. The daemon crash creates a cascading effect where all connected clients experience connection failures, transaction processing halts, and business-critical applications become inaccessible. This vulnerability particularly affects enterprise environments where SAP NetWeaver serves as the backbone for mission-critical business processes, making the potential impact severe from both operational and financial perspectives. The remote nature of the attack means that unauthorized parties can exploit this flaw without requiring physical access or elevated privileges within the system.
Organizations affected by this vulnerability should implement immediate mitigations including applying the relevant SAP security patches and updates that address the input validation flaws in the dispatcher component. Network-level protections such as firewalls and intrusion detection systems can be configured to filter or block suspicious SAP Diag protocol traffic, though this approach provides only partial protection since the vulnerability can be exploited through legitimate network connections. The ATT&CK framework categorizes this vulnerability under T1499.004, which describes network denial of service attacks, and T1566.001, which covers spearphishing through social engineering. System administrators should also consider implementing process monitoring and alerting mechanisms to detect early signs of daemon crashes and potential exploitation attempts, as well as conducting regular security assessments to identify similar input validation weaknesses in other system components.