CVE-2022-43891 in Security Verify Privilege On-Premises
Summary
by MITRE • 10/25/2023
IBM Security Verify Privilege On-Premises 11.5 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. IBM X-Force ID: 240454.
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Analysis
by VulDB Data Team • 11/03/2023
IBM Security Verify Privilege On-Premises version 11.5 contains a vulnerability that exposes sensitive system information through detailed error messages returned to remote attackers. This flaw represents a classic information disclosure vulnerability where the application fails to properly sanitize error responses before transmitting them to client browsers. When system errors occur during processing, the application generates verbose technical error messages that contain internal system details, configuration information, and potentially sensitive data structures that should remain hidden from external entities. The vulnerability stems from inadequate input validation and error handling mechanisms within the application's web interface, allowing attackers to exploit this weakness remotely without requiring authentication or privileged access. This type of vulnerability aligns with CWE-209, which specifically addresses the exposure of error information, and falls under the broader category of information disclosure flaws that can significantly aid attackers in understanding system architecture and identifying potential attack vectors. The security implications extend beyond simple information gathering, as the detailed error messages can reveal database schemas, file paths, internal system components, and other sensitive operational details that would otherwise remain confidential.
The operational impact of this vulnerability creates substantial risk for organizations deploying IBM Security Verify Privilege On-Premises 11.5, as it provides attackers with valuable reconnaissance data that can be leveraged for subsequent exploitation attempts. Remote attackers can systematically probe the application to trigger various error conditions and collect comprehensive information about the underlying system infrastructure. This information disclosure capability enables attackers to develop more sophisticated attack strategies, potentially leading to privilege escalation, data breaches, or further system compromise. The vulnerability's remote nature means that attackers can exploit it from any location without requiring physical access or local system credentials, making it particularly dangerous in enterprise environments where such systems often handle sensitive authentication and authorization data. The exposure of internal system details through error messages can facilitate advanced persistent threat campaigns where attackers use the gathered intelligence to craft targeted attacks against specific system components or to bypass security controls that might otherwise protect the system from more direct attacks.
Organizations utilizing IBM Security Verify Privilege On-Premises 11.5 should implement immediate mitigations to address this vulnerability while preparing for the official security patch release from IBM. The primary mitigation strategy involves configuring the application to suppress detailed technical error messages and instead return generic error responses to users and external systems. This approach aligns with the principle of least privilege in error handling and follows established security practices for preventing information disclosure. System administrators should review and modify the application's error handling configuration to ensure that internal system details are not exposed through HTTP responses, log files, or any other communication channels. Additionally, implementing proper input validation and sanitization controls can help prevent the conditions that lead to these detailed error messages being generated in the first place. Organizations should also enhance their monitoring capabilities to detect and alert on unusual error message patterns that might indicate exploitation attempts. The mitigation approach should be consistent with NIST cybersecurity framework recommendations for vulnerability management and align with ATT&CK technique T1212, which addresses the exploitation of system information discovery mechanisms to gather intelligence for further attacks. Regular security assessments and penetration testing should be conducted to verify that the implemented controls effectively prevent information disclosure while maintaining system functionality and user experience.