CVE-2006-0731 in Business Connector
Summary
by MITRE
WmRoot/adapter-index.dsp in SAP Business Connector Core Fix 7 and earlier allows remote attackers to conduct spoofing (phishing) attacks via an absolute URL in the url parameter, which loads the URL inside a frame.
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Analysis
by VulDB Data Team • 03/09/2025
The vulnerability identified as CVE-2006-0731 resides within the WmRoot/adapter-index.dsp component of SAP Business Connector Core Fix 7 and earlier versions, presenting a significant security risk that enables remote attackers to execute spoofing and phishing attacks. This flaw specifically manifests when an absolute URL is provided through the url parameter, causing the system to load that URL within an embedded frame structure. The technical implementation of this vulnerability stems from inadequate input validation and sanitization mechanisms within the SAP Business Connector's adapter indexing functionality, which fails to properly verify or sanitize external URL references before incorporating them into the application's frame-based navigation system.
The operational impact of this vulnerability extends beyond simple phishing attempts, as it creates a persistent threat vector that can be exploited by malicious actors to deceive users into believing they are interacting with legitimate SAP systems while actually being directed to attacker-controlled content. The frame-based loading mechanism provides attackers with the ability to overlay their malicious content over legitimate SAP interfaces, making it extremely difficult for end users to distinguish between authentic and compromised system elements. This vulnerability directly aligns with CWE-79, which addresses cross-site scripting (XSS) vulnerabilities, and represents a specific implementation weakness in how the system handles external resource references. The attack surface is particularly concerning given that SAP Business Connector serves as a critical integration point for enterprise systems, making successful exploitation potentially devastating for organizations relying on these platforms.
From a threat modeling perspective, this vulnerability maps to several ATT&CK techniques including T1566 for phishing attacks and T1071 for application layer protocols, as it enables attackers to leverage the legitimate SAP infrastructure to deliver malicious payloads. The remote nature of the attack means that no local system compromise is required, allowing adversaries to target users from anywhere on the internet. Organizations utilizing SAP Business Connector versions prior to the patched release face significant exposure risk, as the vulnerability can be exploited through simple web requests without requiring specialized tools or deep system knowledge. The remediation approach must focus on implementing strict input validation, sanitizing all external URL references, and potentially implementing content security policies to prevent frame-based loading of untrusted content. Additionally, organizations should consider network-level controls to restrict access to the vulnerable component and implement user education programs to recognize potential spoofing attempts that may bypass technical controls.