CVE-2022-22332 in Partner Engagement Manager
Summary
by MITRE • 04/01/2022
IBM Sterling Partner Engagement Manager 6.2.0 could allow an attacker to impersonate another user due to missing revocation mechanism for the JWT token. IBM X-Force ID: 219131.
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Analysis
by VulDB Data Team • 04/05/2022
The vulnerability identified as CVE-2022-22332 affects IBM Sterling Partner Engagement Manager version 6.2.0, presenting a critical security flaw that enables unauthorized user impersonation through the manipulation of JSON Web Token authentication mechanisms. This issue stems from the absence of a proper token revocation system within the application's security framework, creating a persistent vector for malicious actors to exploit.
The technical flaw resides in the application's handling of JWT tokens, where the system fails to implement a comprehensive token revocation mechanism that would allow administrators to invalidate compromised or expired tokens. This missing component creates a window of opportunity for attackers who may have obtained valid JWT tokens through various means such as interception of communications, credential theft, or exploitation of other vulnerabilities. The vulnerability directly relates to CWE-287, which addresses improper authentication issues, and specifically manifests as a weakness in token management and lifecycle control. Without proper revocation capabilities, even tokens that should no longer be valid remain functional, enabling attackers to maintain persistent access to the system.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it allows attackers to assume the identity of legitimate users and potentially escalate their privileges within the system. This impersonation capability can lead to data breaches, unauthorized transactions, and complete compromise of the partner engagement environment. The vulnerability affects the integrity and confidentiality of the system, as attackers can access sensitive partner information, modify engagement records, and potentially disrupt business processes. The lack of token revocation also undermines the principle of least privilege and makes it difficult for system administrators to maintain proper access control and audit trails.
Organizations utilizing IBM Sterling Partner Engagement Manager 6.2.0 should immediately implement mitigations including the application of available security patches from IBM, implementation of additional monitoring controls, and consideration of temporary workarounds such as enhanced network segmentation and strict access controls. The vulnerability also aligns with several ATT&CK techniques including T1078 for valid accounts and T1566 for credential harvesting, making it particularly dangerous in environments where attackers may already have some level of system access. Security teams should conduct comprehensive assessments of their token management practices and consider implementing additional authentication layers or multi-factor authentication to reduce the attack surface. The vulnerability demonstrates the critical importance of proper token lifecycle management and highlights the need for organizations to regularly review and update their security controls to address emerging threats in their application environments.