CVE-2016-2953 in Connections
Summary
by MITRE
IBM Connections 4.0 through CR4, 4.5 through CR5, and 5.0 before CR4 does not require SSL, which allows remote attackers to obtain sensitive cleartext information by sniffing the network.
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Analysis
by VulDB Data Team • 05/18/2018
IBM Connections versions 4.0 through CR4, 4.5 through CR5, and 5.0 before CR4 contain a critical security flaw that fails to enforce secure communication protocols. This vulnerability stems from the application's inability to mandate secure socket layer encryption for data transmission, creating an environment where sensitive information can be intercepted during network communication. The flaw represents a direct violation of fundamental security principles that require encrypted communication channels for protecting confidential data. Attackers can exploit this weakness by performing network sniffing operations to capture cleartext information flowing between clients and the IBM Connections server. This vulnerability aligns with CWE-319, which specifically addresses the exposure of sensitive information through improper use of network protocols. The absence of SSL requirements creates a pathway for man-in-the-middle attacks where adversaries can intercept authentication credentials, personal information, and other confidential data transmitted over the network. The impact extends beyond simple data exposure as the cleartext transmission allows attackers to potentially escalate privileges or gain unauthorized access to user accounts.
The operational implications of this vulnerability are severe for organizations utilizing IBM Connections as their collaboration platform. Network traffic monitoring tools can easily capture user sessions, authentication tokens, and sensitive business communications without any encryption protection. This weakness undermines the integrity of the entire communication infrastructure, as the application fails to implement proper transport layer security measures that are essential for modern enterprise environments. The vulnerability affects multiple versions of IBM Connections, indicating a widespread issue that would require comprehensive patch management across various deployment scenarios. Organizations relying on this platform for document sharing, social collaboration, and enterprise communication face significant risk of data breaches and compliance violations. The flaw creates an attack surface that can be exploited by both external threat actors and insider threats who have network access to the affected systems.
Security professionals should implement immediate mitigations to address this vulnerability while awaiting official patches from IBM. The most effective immediate solution involves configuring network firewalls and intrusion detection systems to monitor and block unencrypted traffic to the IBM Connections services. Organizations should also consider implementing additional authentication measures such as multi-factor authentication to reduce the impact of credential theft. The implementation of network segmentation can help isolate critical IBM Connections services from less secure network segments. Regular security audits should be conducted to identify any remaining cleartext communication channels within the organization's infrastructure. This vulnerability demonstrates the critical importance of mandatory encryption requirements as outlined in industry standards and best practices for secure system design. The remediation process should include comprehensive testing to ensure that all communication channels are properly encrypted and that no legacy components are bypassing security controls. Organizations must also review their incident response procedures to address potential exploitation of this vulnerability and establish monitoring protocols for detecting unauthorized network sniffing activities.