CVE-2006-0732 in Business Connector
Summary
by MITRE
Directory traversal vulnerability in SAP Business Connector (BC) 4.6 and 4.7 allows remote attackers to read or delete arbitrary files via the fullName parameter to (1) sapbc/SAP/chopSAPLog.dsp or (2) invoke/sap.monitor.rfcTrace/deleteSingle. Details will be updated after the grace period has ended. NOTE: SAP Business Connector is an OEM version of webMethods Integration Server. webMethods states that this issue can only occur when the product is installed as root/admin, and if the attacker has access to a general purpose port; however, both are discouraged in the documentation. In addition, the attacker must already have acquired administrative privileges through other means.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 08/02/2017
The vulnerability identified as CVE-2006-0732 represents a critical directory traversal flaw within SAP Business Connector versions 4.6 and 4.7, which operates as an OEM variant of the webMethods Integration Server platform. This security weakness enables remote attackers to execute unauthorized file operations through specifically crafted requests targeting two distinct endpoints: sapbc/SAP/chopSAPLog.dsp and invoke/sap.monitor.rfcTrace/deleteSingle. The flaw stems from insufficient input validation mechanisms that fail to properly sanitize the fullName parameter, allowing malicious actors to manipulate file paths and access system resources beyond the intended scope. Such directory traversal vulnerabilities fall under the CWE-22 category, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
The operational impact of this vulnerability extends beyond simple unauthorized file access, as it provides attackers with the capability to both read sensitive system files and delete critical components, potentially leading to complete system compromise or data destruction. The attack vector requires remote exploitation through network-based communication, making it particularly dangerous as it can be leveraged from external networks without requiring physical access to the target system. The security implications are further amplified by the fact that the vulnerability can only be effectively exploited when the product is installed with elevated privileges, specifically as root or administrative user accounts. This installation requirement aligns with the ATT&CK framework's privilege escalation tactics, as attackers must first establish a foothold through other means before leveraging this specific vulnerability to gain deeper system access.
The vulnerability's exploitation complexity is mitigated by several factors that SAP and webMethods have identified in their security documentation, yet these mitigations do not eliminate the risk entirely. The requirement for the product to be installed as root or administrator and the necessity for attackers to have access to general purpose ports create additional barriers, but these practices are explicitly discouraged in official documentation. The fact that attackers must already possess administrative privileges through alternative attack vectors demonstrates the layered nature of this vulnerability, where it serves as an escalation mechanism rather than a primary attack surface. This characteristic places the vulnerability in the context of the ATT&CK privilege escalation techniques, specifically targeting the 'Exploitation for Privilege Escalation' tactic where attackers leverage existing access to gain higher privileges. The vulnerability's existence highlights the critical importance of proper system hardening and privilege management, as outlined in security frameworks such as the NIST Cybersecurity Framework and ISO 27001 standards, which emphasize the principle of least privilege and the need for comprehensive access controls to prevent unauthorized system modifications.