CVE-2022-42439 in App Connect Enterprise
Summary
by MITRE • 02/06/2023
IBM App Connect Enterprise 11.0.0.17 through 11.0.0.19 and 12.0.4.0 and 12.0.5.0 contains an unspecified vulnerability in the Discovery Connector nodes which may cause a 3rd party system’s credentials to be exposed to a privileged attacker. IBM X-Force ID: 238211.
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Analysis
by VulDB Data Team • 03/05/2023
The vulnerability identified as CVE-2022-42439 affects IBM App Connect Enterprise versions 11.0.0.17 through 11.0.0.19 and 12.0.4.0 and 12.0.5.0, specifically within the Discovery Connector nodes functionality. This unspecified vulnerability represents a significant security concern as it potentially allows unauthorized exposure of third-party system credentials to privileged attackers who may already have access to the IBM App Connect Enterprise environment. The Discovery Connector nodes are designed to automatically discover and connect to various systems and services within enterprise environments, making them critical components for integration workflows and automated system interactions.
The technical flaw manifests in how the Discovery Connector nodes handle credential management and authentication information during the discovery process. When these nodes interact with third-party systems, they may inadvertently expose sensitive authentication credentials through improper handling of connection parameters, logging mechanisms, or configuration data. This vulnerability falls under the category of credential exposure issues that can be exploited by attackers who have already gained access to the system, as noted by the privileged attacker requirement in the description. The vulnerability's impact is particularly concerning given that Discovery Connector nodes are typically configured with elevated privileges to access various enterprise systems, creating a potential attack vector where compromised credentials can be harvested and leveraged for further unauthorized access.
The operational impact of this vulnerability extends beyond immediate credential exposure, potentially enabling attackers to escalate their privileges within the enterprise environment. Once credentials are exposed, attackers can leverage them to access additional systems and services that the compromised Discovery Connector nodes have permissions to reach. This creates a domino effect where a single compromised node can provide access to multiple interconnected systems, potentially leading to widespread data breaches or system compromise. The vulnerability is particularly dangerous in enterprise environments where App Connect Enterprise is used for critical integration workflows, as it can affect the security posture of the entire connected ecosystem. This type of vulnerability aligns with CWE-200 (Information Exposure) and represents a potential pathway for attackers to move laterally within networks according to ATT&CK framework techniques such as T1566 (Phishing) and T1078 (Valid Accounts).
Organizations utilizing affected IBM App Connect Enterprise versions should immediately implement mitigations to address this vulnerability. The primary recommendation involves applying the latest security patches and updates provided by IBM to remediate the specific flaw in the Discovery Connector nodes. Additionally, administrators should conduct thorough reviews of all Discovery Connector configurations to ensure that credential handling is properly secured and that unnecessary privileges are not granted to these nodes. Network segmentation and monitoring should be enhanced to detect any unusual credential access patterns or unauthorized connections that might indicate exploitation attempts. Regular security audits of integration workflows and credential management practices should be implemented to identify and address potential exposure risks. Organizations should also consider implementing privileged access management solutions and just-in-time credential access to minimize the impact of potential credential exposure incidents, aligning with security best practices outlined in NIST SP 800-53 and ISO 27001 standards for access control and information security management.