CVE-2016-2970 in Sametime Media Server
Summary
by MITRE
IBM Sametime 8.5 and 9.0 meetings server may provide detailed information in an error message that may provide details about the application to possible attackers. IBM X-Force ID: 113851.
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Analysis
by VulDB Data Team • 01/10/2021
The vulnerability identified as CVE-2016-2970 affects IBM Sametime 8.5 and 9.0 meeting servers, representing a classic information disclosure weakness that exposes system internals to potential attackers. This issue stems from the server's improper handling of error conditions where detailed technical information is returned in error messages instead of generic responses. The vulnerability allows malicious actors to gather sensitive data about the application architecture, version information, and potentially underlying system components through carefully crafted requests that trigger error responses. Such information disclosure represents a significant risk to security posture as it provides attackers with valuable reconnaissance data that can be leveraged for subsequent exploitation attempts.
The technical flaw manifests when the Sametime meeting server encounters certain error conditions during processing of client requests or authentication failures. Instead of returning generic error messages that provide minimal information to prevent attackers from understanding the system's internal workings, the server returns detailed error responses containing stack traces, component names, version numbers, and other technical artifacts. This behavior aligns with CWE-209, which specifically addresses the issue of error messages containing sensitive information that can aid attackers in understanding system internals. The vulnerability essentially violates fundamental security principles by exposing implementation details that should remain hidden from external parties.
The operational impact of this vulnerability extends beyond simple information disclosure as it creates a foundation for more sophisticated attacks. Attackers can use the disclosed information to tailor their exploitation strategies, identify specific vulnerabilities in the disclosed components, and potentially bypass security controls that might otherwise protect against generic attack vectors. The exposure of IBM Sametime server details can enable attackers to conduct targeted reconnaissance, identify version-specific exploits, and develop more effective attack patterns. This vulnerability particularly affects organizations using Sametime for enterprise communications, where the disclosed information could compromise not only the meeting server but also underlying network infrastructure and user data.
Organizations affected by CVE-2016-2970 should implement immediate mitigations including configuring the server to return generic error messages, disabling detailed error reporting in production environments, and implementing proper input validation to prevent triggering the error conditions. The mitigation strategy should align with defensive techniques outlined in the ATT&CK framework under the reconnaissance phase, where attackers typically gather system information before launching more targeted attacks. System administrators should also consider implementing network segmentation, access controls, and monitoring solutions to detect unusual error response patterns that might indicate exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to ensure that error handling configurations remain effective against evolving attack methodologies.