CVE-2012-0204 in InfoSphere Information Server
Summary
by MITRE
Untrusted search path vulnerability in InfoSphere Import Export Manager 8.1 through 9.1 in InfoSphere Information Server MetaBrokers & Bridges (MBB) in IBM InfoSphere Information Server 8.1, 8.5 before FP3, 8.7, and 9.1 allows local users to gain privileges via a Trojan horse DLL in the current working directory.
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Analysis
by VulDB Data Team • 02/09/2018
The vulnerability identified as CVE-2012-0204 represents a critical untrusted search path issue within IBM InfoSphere Information Server MetaBrokers & Bridges component. This flaw exists in versions 8.1 through 9.1 of the InfoSphere Import Export Manager, specifically affecting the MetaBrokers & Bridges functionality. The vulnerability stems from the application's failure to properly validate the source of dynamically loaded libraries, creating an environment where malicious actors can exploit the system through carefully crafted file placement attacks.
The technical implementation of this vulnerability involves the application's dynamic loading behavior where it searches for required DLL files in the current working directory before examining system paths. This design flaw allows local users to place malicious DLL files in the working directory, which the application will then load and execute with the privileges of the user running the application. The vulnerability operates under the Common Weakness Enumeration framework as CWE-426, which specifically addresses Untrusted Search Path vulnerabilities where applications execute code from untrusted sources. The attack vector requires local system access, making it particularly dangerous in environments where users may have elevated privileges or where privilege escalation opportunities exist.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass potential data compromise and system integrity violations. When exploited, the malicious DLL can execute with the same privileges as the legitimate application, potentially allowing attackers to access sensitive enterprise data, modify database connections, or establish persistent access points within the information server environment. This vulnerability particularly affects enterprise data integration platforms where InfoSphere Information Server serves as a critical component for data management and integration processes. The attack can result in unauthorized data access, modification of business intelligence data, and potential lateral movement within enterprise networks where the information server resides.
Mitigation strategies for CVE-2012-0204 should focus on implementing proper input validation and secure coding practices to prevent untrusted search path exploitation. Organizations should apply the relevant IBM security patches and updates released for InfoSphere Information Server versions affected by this vulnerability. The implementation of application whitelisting solutions and strict directory access controls can help prevent unauthorized DLL placement in working directories. Additionally, system administrators should conduct regular security audits to identify and remediate similar search path vulnerabilities across the enterprise environment. The ATT&CK framework categorizes this vulnerability under T1055 - Process Injection techniques, where adversaries leverage legitimate system processes to execute malicious code. Security monitoring should include detection of unusual DLL loading patterns and unauthorized file modifications in application working directories. Organizations should also consider implementing principle of least privilege configurations to limit the impact of successful exploitation attempts.