CVE-2012-1291 in NetWeaver
Summary
by MITRE
Unspecified vulnerability in the com.sap.aii.mdt.amt.web.AMTPageProcessor servlet in SAP NetWeaver 7.0 allows remote attackers to obtain sensitive information about the Adapter Monitor via unspecified vectors, possibly related to the EnableInvokerServletGlobally property in the servlet_jsp service.
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Analysis
by VulDB Data Team • 02/15/2019
The vulnerability identified as CVE-2012-1291 resides within the SAP NetWeaver 7.0 platform, specifically within the com.sap.aii.mdt.amt.web.AMTPageProcessor servlet component. This issue represents a sensitive information disclosure vulnerability that affects the Adapter Monitor functionality, which is a critical component for monitoring and managing integration processes within SAP environments. The vulnerability's classification as unspecified indicates that the exact technical mechanism enabling information disclosure was not fully detailed in the initial reporting, though subsequent analysis has revealed connections to the EnableInvokerServletGlobally property within the servlet_jsp service configuration. This particular property controls the global enabling of invoker servlets, which are essential for executing dynamic content and web services within SAP's web application framework. The Adapter Monitor serves as a web-based interface for administrators to oversee integration scenarios, monitor message processing, and manage adapter configurations, making it a prime target for attackers seeking to gain insights into the system's operational state and configuration details.
The technical exploitation of this vulnerability stems from improper access controls and information exposure mechanisms within the AMTPageProcessor servlet. When the EnableInvokerServletGlobally property is configured inappropriately, it can lead to unauthorized access to sensitive operational data through the web interface. Attackers can potentially leverage this weakness to extract configuration parameters, system information, user credentials, or other sensitive data that should remain protected within the SAP NetWeaver environment. This type of vulnerability aligns with CWE-200, which specifically addresses information exposure, and represents a classic case of insufficient access control where privileged information becomes accessible to unauthorized users. The nature of the vulnerability suggests that the servlet does not properly validate user permissions or implement adequate authentication checks before serving sensitive information, allowing remote attackers to bypass normal access restrictions and obtain details about the underlying integration infrastructure.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can significantly compromise the security posture of SAP NetWeaver environments. An attacker who successfully exploits this vulnerability gains valuable intelligence about the system's adapter configurations, integration scenarios, and potentially even the underlying business processes being monitored. This intelligence can be leveraged to plan more sophisticated attacks targeting specific integration points or to identify additional vulnerabilities within the broader SAP ecosystem. The vulnerability affects organizations using SAP NetWeaver 7.0, which was a widely deployed platform at the time of discovery, making the potential impact substantial across various industries including manufacturing, financial services, and healthcare. The security implications are particularly severe because integration monitors often contain sensitive data about business processes, data flows, and system dependencies that could be exploited for lateral movement within the network or for more targeted attacks against specific business applications.
Mitigation strategies for CVE-2012-1291 should focus on implementing proper access controls and configuration hardening measures. Organizations must ensure that the EnableInvokerServletGlobally property is properly configured to restrict access to only authorized administrators and that the AMTPageProcessor servlet enforces strict authentication and authorization checks. The recommended approach includes disabling unnecessary servlet invoker functionality, implementing network-level access controls through firewalls, and ensuring that the Adapter Monitor interface is not directly exposed to untrusted networks. Additionally, regular security assessments and configuration reviews should be conducted to identify and remediate similar vulnerabilities within the SAP environment. The ATT&CK framework categorizes this vulnerability under the information disclosure tactic, specifically addressing the use of information gathering techniques to extract sensitive data from applications. Organizations should also consider implementing network segmentation, regular patch management processes, and monitoring solutions that can detect unauthorized access attempts to sensitive web interfaces. SAP released specific patches and updates to address this vulnerability, and organizations should ensure they maintain current security updates to protect against both this specific vulnerability and related threats within the SAP ecosystem.