CVE-2012-4862 in Rational Developer for System z
Summary
by MITRE
The Host Connect emulator in IBM Rational Developer for System z 7.1 through 8.5.1 does not properly store the SSL certificate password, which allows local users to obtain sensitive information via unspecified vectors.
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Analysis
by VulDB Data Team • 02/05/2018
The vulnerability identified as CVE-2012-4862 resides within IBM Rational Developer for System z versions 7.1 through 8.5.1, specifically within its Host Connect emulator component. This flaw represents a critical security oversight in how the software handles sensitive authentication credentials, creating an avenue for privilege escalation and information disclosure. The vulnerability manifests through improper storage mechanisms for SSL certificate passwords, which are essential for secure communication with mainframe systems. The Host Connect emulator serves as a bridge between the development environment and IBM mainframe systems, making this vulnerability particularly concerning for enterprise environments that rely heavily on secure mainframe connectivity. Attackers exploiting this weakness can potentially gain unauthorized access to sensitive data and system resources that would otherwise require proper authentication.
The technical nature of this vulnerability falls under the category of insecure credential storage, which maps to CWE-522, specifically referencing weak password storage practices. The flaw occurs when the application fails to adequately protect SSL certificate passwords through proper encryption or obfuscation mechanisms. Instead of employing robust cryptographic protection for these sensitive credentials, the emulator stores them in a manner that makes them accessible to local users with minimal privileges. This improper storage technique violates fundamental security principles and creates a persistent threat vector that remains active as long as the vulnerable software remains installed. The unspecified vectors mentioned in the description suggest that multiple attack paths may exist, potentially including direct file system access, process memory inspection, or other local exploitation techniques that leverage the weak credential storage implementation.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass potential system compromise and unauthorized access to critical mainframe resources. Local users who can exploit this vulnerability gain access to SSL certificate passwords that may be used to authenticate to production mainframe systems, potentially enabling them to execute unauthorized transactions, access sensitive data, or perform administrative functions. This threat is particularly severe in enterprise environments where mainframe systems contain critical business data and financial transaction records. The vulnerability affects organizations that use IBM Rational Developer for System z in their development workflows, creating a risk that extends from development environments into production systems if developers use the same credentials for both environments. The implications are further amplified by the fact that these tools are often installed on developer workstations that may have less stringent security controls than production systems.
Mitigation strategies for this vulnerability require immediate action from affected organizations, including prompt patching of the IBM Rational Developer for System z software to the latest available versions that address the SSL certificate password storage issue. Organizations should implement strict access controls on development workstations to limit local user privileges and reduce the attack surface available to potential exploiters. Security monitoring should be enhanced to detect unauthorized access attempts to SSL certificate files and related configuration data. Additionally, organizations should consider implementing credential rotation policies for SSL certificates used in development environments and establish secure credential management practices that align with industry standards such as those outlined in the NIST SP 800-57 recommendation for cryptographic key management. The vulnerability also highlights the importance of regular security assessments and penetration testing to identify similar credential storage weaknesses in other development tools and environments.