CVE-2017-1341 in WebSphere MQ
Summary
by MITRE
IBM WebSphere MQ 8.0 and 9.0 could allow, under special circumstances, an unauthorized user to access an object which they should have been denied access. IBM X-Force ID: 126456.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 01/26/2021
IBM WebSphere MQ version 8.0 and 9.0 contained a security vulnerability that could potentially allow unauthorized users to access objects they should not have been permitted to access. This vulnerability represents a significant access control flaw that could undermine the security posture of organizations relying on these messaging systems for critical communications. The issue stems from improper handling of access permissions within the message queue management framework, creating potential pathways for privilege escalation and unauthorized data access.
The technical flaw manifests in the way WebSphere MQ handles object access controls during specific operational scenarios. When certain conditions are met within the messaging environment, the system fails to properly validate user permissions against protected resources. This occurs particularly when processing requests involving object references or when transitioning between different security contexts within the queue manager. The vulnerability is classified under CWE-284 which specifically addresses improper access control mechanisms, highlighting the core issue of inadequate privilege validation. The flaw essentially allows an attacker to bypass normal authorization checks that should prevent access to restricted objects, potentially leading to data exposure or system compromise.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential data breaches and system integrity compromises. Organizations using these affected versions of WebSphere MQ may face scenarios where malicious actors could gain access to sensitive messages, queue configurations, or administrative functions that should remain protected. This risk is particularly concerning in enterprise environments where message queues often transport confidential business data, financial transactions, or personally identifiable information. The vulnerability could enable attackers to read, modify, or delete critical queue data, potentially disrupting business operations or exposing sensitive information. From an attacker's perspective, this represents a valuable privilege escalation vector that could be leveraged to gain deeper access to the overall messaging infrastructure.
Mitigation strategies for this vulnerability include immediate application of IBM security patches and updates that address the specific access control bypass issue. Organizations should also implement additional monitoring and logging of access attempts to detect potential exploitation attempts. The recommended approach involves upgrading to patched versions of WebSphere MQ 8.0 and 9.0, with careful consideration of the upgrade process to maintain system availability. Network segmentation and access control hardening measures should be implemented to limit potential attack surfaces, while regular security assessments of messaging infrastructure should be conducted. From a defensive standpoint, this vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation, as it exploits legitimate access control mechanisms to achieve unauthorized access. Security teams should also implement comprehensive audit trails and access monitoring to detect anomalous behavior patterns that might indicate exploitation attempts, particularly focusing on unusual access patterns to queue objects and administrative functions.