CVE-2012-1289 in NetWeaver
Summary
by MITRE
Multiple directory traversal vulnerabilities in SAP NetWeaver 7.0 allow remote authenticated users to read arbitrary files via a .. (dot dot) in the logfilename parameter to (1) b2b/admin/log.jsp or (2) b2b/admin/log_view.jsp in the Internet Sales (crm.b2b) component, or (3) ipc/admin/log.jsp or (4) ipc/admin/log_view.jsp in the Application Administration (com.sap.ipc.webapp.ipc) component.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 02/14/2019
The vulnerability identified as CVE-2012-1289 represents a critical directory traversal flaw affecting SAP NetWeaver 7.0 systems within the SAP business technology platform. This security weakness specifically targets the Internet Sales and Application Administration components, creating pathways for authenticated remote attackers to access arbitrary files on the underlying system. The vulnerability stems from inadequate input validation in several administrative servlets that process log file operations, allowing malicious actors to manipulate file paths through carefully crafted requests containing directory traversal sequences.
The technical implementation of this vulnerability exploits the absence of proper sanitization in the logfilename parameter handling within four distinct administrative interfaces. Attackers can leverage the .. (dot dot) sequence to navigate outside the intended directory boundaries and access sensitive files that should remain restricted to authorized personnel only. The affected endpoints include b2b/admin/log.jsp and b2b/admin/log_view.jsp within the crm.b2b component, as well as ipc/admin/log.jsp and ipc/admin/log_view.jsp in the com.sap.ipc.webapp.ipc component. These servlets fail to properly validate user-supplied input, permitting path traversal attacks that can reveal system configuration files, application source code, database credentials, and other confidential information.
From an operational perspective, this vulnerability poses significant risks to SAP NetWeaver environments as it enables authenticated attackers to escalate their privileges and access sensitive system information. The impact extends beyond simple file disclosure, potentially allowing attackers to gather intelligence about the system architecture, identify other vulnerabilities, and establish persistence within the environment. The vulnerability affects organizations using SAP NetWeaver 7.0 in production environments where administrative interfaces are accessible to authenticated users, creating potential pathways for data exfiltration and system compromise. According to CWE classification, this vulnerability maps to CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as directory traversal or path traversal.
The attack vector requires only authenticated access to the SAP system, making it particularly dangerous as it can be exploited by insiders or compromised legitimate users. Attackers can leverage this weakness to access system logs, configuration files, and potentially sensitive data stored within the application's file system. The vulnerability's impact is amplified by the fact that SAP NetWeaver components often contain sensitive information about business processes, customer data, and system configurations. Organizations implementing the SAP business technology platform are particularly at risk since these administrative interfaces are typically accessible to users with administrative privileges, providing attackers with elevated access levels to exploit the directory traversal vulnerability.
Security mitigation strategies should focus on implementing proper input validation and sanitization within the affected servlets, ensuring that all user-supplied parameters are properly validated before being processed. Organizations should apply the relevant SAP security notes and patches released for this vulnerability, which typically include input filtering mechanisms to prevent directory traversal attacks. Network segmentation and access control measures can help reduce the attack surface by limiting access to administrative interfaces. Additionally, implementing web application firewalls and security monitoring solutions can help detect and prevent exploitation attempts. The vulnerability aligns with ATT&CK technique T1059.007, which describes the use of command-line interfaces for privilege escalation and information gathering, and T1068, which covers the exploitation of remote services for system compromise. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other SAP components and ensure comprehensive protection of business-critical systems.