CVE-2018-11087 in Spring AMQP
Summary
by MITRE
Pivotal Spring AMQP, 1.x versions prior to 1.7.10 and 2.x versions prior to 2.0.6, expose a man-in-the-middle vulnerability due to lack of hostname validation. A malicious user that has the ability to intercept traffic would be able to view data in transit.
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Analysis
by VulDB Data Team • 03/27/2025
The vulnerability identified as CVE-2018-11087 affects Pivotal Spring AMQP libraries across multiple version ranges, specifically 1.x versions before 1.7.10 and 2.x versions before 2.0.6. This security flaw represents a critical weakness in the communication layer of distributed applications that rely on AMQP messaging protocols. The vulnerability stems from insufficient hostname validation mechanisms within the library's SSL/TLS implementation, creating an exploitable gap in the security posture of applications using these components. The affected libraries are widely used in enterprise environments for message queuing and asynchronous communication between microservices and distributed systems.
The technical flaw manifests as a failure to properly validate the hostname presented in the SSL/TLS certificate against the actual hostname of the server being connected to. This omission allows for a man-in-the-middle attack scenario where an attacker positioned between the client and server can intercept and potentially modify communication traffic. The vulnerability directly maps to CWE-295, which specifically addresses "Improper Certificate Validation" and falls under the broader category of weak cryptographic practices in network communications. When a client establishes a connection to an AMQP server, the library should verify that the certificate presented by the server matches the expected hostname, but this validation is absent or incomplete in the vulnerable versions.
The operational impact of this vulnerability extends beyond simple data interception, as it compromises the fundamental security guarantees of encrypted communication channels. Attackers with network interception capabilities can exploit this weakness to eavesdrop on sensitive data flowing through message queues, potentially accessing confidential business information, user credentials, or proprietary application data. The vulnerability affects applications that handle sensitive payloads, including financial transactions, personal identifiable information, and enterprise data flows. Organizations using these vulnerable libraries in production environments face significant risk exposure, particularly in scenarios where network traffic traverses untrusted or shared network segments where interception attacks are possible.
Mitigation strategies for CVE-2018-11087 involve immediate version upgrades to the patched releases of Pivotal Spring AMQP libraries, specifically moving to version 1.7.10 or 2.0.6 and later. Organizations should conduct comprehensive inventory assessments to identify all systems utilizing vulnerable library versions and prioritize remediation efforts accordingly. Network administrators should implement additional monitoring and detection capabilities to identify potential interception attempts, while security teams should review existing security policies and procedures to ensure proper certificate management practices are in place. The ATT&CK framework categorizes this vulnerability under the T1046 technique for "Network Service Scanning' and T1566 for 'Phishing', as attackers may exploit this weakness to establish persistent access through intercepted communications. Additionally, organizations should consider implementing network segmentation and enhanced monitoring to detect anomalous communication patterns that might indicate exploitation attempts, while maintaining compliance with security standards such as NIST SP 800-53 and ISO 27001 that require proper certificate validation procedures for secure communications.