CVE-2018-1701 in InfoSphere Information Server
Summary
by MITRE
IBM InfoSphere Information Server 11.7 could allow an authenciated user under specialized conditions to inject commands into the installation process that would execute on the WebSphere Application Server. IBM X-Force ID: 145970.
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Analysis
by VulDB Data Team • 07/10/2023
IBM InfoSphere Information Server version 11.7 contains a command injection vulnerability that arises during the installation process when specific conditions are met by authenticated users. This flaw represents a critical security weakness that can be exploited by individuals who already possess legitimate credentials to the system, making it particularly dangerous in environments where privileged access is granted to multiple users. The vulnerability specifically affects the WebSphere Application Server component and allows for arbitrary command execution through manipulation of the installation workflow.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the installation process of the InfoSphere Information Server. When an authenticated user performs certain installation activities, the system fails to properly sanitize user-supplied inputs that are subsequently used in command construction. This creates an environment where maliciously crafted input can be interpreted as executable commands rather than benign data, effectively allowing attackers to inject arbitrary shell commands into the system. The flaw exists in the way the system processes installation parameters and configuration data that are passed to the underlying WebSphere Application Server infrastructure.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides attackers with the ability to execute arbitrary code with the privileges of the WebSphere Application Server process. This could result in complete system compromise, data exfiltration, or the installation of persistent backdoors. The specialized conditions required for exploitation suggest that the vulnerability may be triggered through specific installation workflows or configuration sequences, but once activated, the consequences are severe and can lead to unauthorized access to sensitive enterprise data and system resources. The attack vector is particularly concerning because it leverages legitimate installation processes that are typically considered safe and trusted within the enterprise environment.
Organizations should implement multiple layers of defense to mitigate this vulnerability, including strict access controls, network segmentation, and monitoring of installation activities. The vulnerability aligns with CWE-77 and CWE-94 categories from the Common Weakness Enumeration database, which classify it as a command injection flaw that allows for code execution. From an attack framework perspective, this vulnerability maps to the execution phase of the MITRE ATT&CK framework, specifically targeting the system access and privilege escalation capabilities. Remediation efforts should include immediate patching of the affected IBM InfoSphere Information Server version, implementation of input validation controls, and comprehensive monitoring of installation processes to detect anomalous activities that might indicate exploitation attempts.