CVE-2020-6865 in OSCP
Summary
by MITRE
ZTE SDN controller platform is impacted by an information leakage vulnerability. Due to the program's failure to optimize the response of failure to the request, the caller can directly view the internal error code location of the component. Attackers could exploit this vulnerability to obtain sensitive information. This affects: OSCP versions V16.19.10 and V16.19.20.
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Analysis
by VulDB Data Team • 10/15/2020
The CVE-2020-6865 vulnerability affects the ZTE SDN controller platform, specifically impacting the OSCP versions V16.19.10 and V16.19.20. This information leakage vulnerability stems from improper error handling mechanisms within the software architecture, where the system fails to adequately sanitize error responses before returning them to requesting clients. The flaw manifests when the system encounters processing failures or invalid requests, instead of providing generic error messages, it exposes internal error codes and component locations directly to the caller. This type of vulnerability falls under CWE-209, which specifically addresses the exposure of error information to attackers, and represents a classic example of insecure error handling practices that can provide adversaries with valuable reconnaissance data.
The technical implementation of this vulnerability allows attackers to exploit the lack of proper error message sanitization by sending malformed requests or triggering processing failures within the SDN controller. When such conditions occur, the system's response includes detailed internal error codes, stack traces, or component path information that reveals the underlying architecture and implementation details of the affected platform. This exposure of internal system information creates a significant risk for attackers who can use this data to understand the system's structure, identify potential attack vectors, and plan more sophisticated exploitation techniques. The vulnerability essentially transforms the system's error handling mechanism from a security feature into a reconnaissance tool for potential attackers.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with critical architectural insights that can be leveraged for further exploitation attempts. The leaked information can help attackers identify specific software versions, component names, and internal system structures that may have additional vulnerabilities or weaknesses. This information leakage creates opportunities for attackers to perform targeted attacks against known system components, potentially leading to more severe consequences including unauthorized access, privilege escalation, or system compromise. The vulnerability particularly affects SDN controller platforms where such information exposure could enable attackers to target network infrastructure management systems with greater precision.
Organizations affected by this vulnerability should implement immediate mitigations including proper error message sanitization, generic error response implementation, and comprehensive logging of error conditions without exposing internal system details. The recommended approach involves configuring the system to return standardized error messages that do not reveal internal implementation details, while maintaining detailed internal logging for debugging purposes. Security controls should also include network segmentation, access controls, and monitoring of unusual error response patterns that might indicate exploitation attempts. This vulnerability aligns with ATT&CK technique T1212, which focuses on exploitation for credential access through the use of system information discovery methods, and represents a critical weakness in the platform's security posture that requires immediate attention to prevent potential exploitation by threat actors.