CVE-2017-2720 in FusionSphere OpenStack
Summary
by MITRE
FusionSphere OpenStack V100R006C00 has an information exposure vulnerability. The software uses hard-coded cryptographic key to encrypt messages between certain components, which significantly increases the possibility that encrypted data may be recovered and results in information exposure.
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Analysis
by VulDB Data Team • 01/11/2023
The FusionSphere OpenStack V100R006C00 information exposure vulnerability represents a critical weakness in cryptographic implementation that directly impacts data confidentiality and system security. This vulnerability stems from the software's reliance on hard-coded cryptographic keys for message encryption between internal components, creating a fundamental flaw in the security architecture that exposes sensitive information to unauthorized parties. The use of static cryptographic keys eliminates the dynamic nature of secure communications and creates a single point of failure that can be exploited by attackers with minimal technical expertise.
The technical implementation of this vulnerability aligns with CWE-327, which addresses the use of weak or broken cryptographic algorithms and key management practices. The hard-coded keys violate established security principles for cryptographic key distribution and management, as outlined in NIST SP 800-57 and other cryptographic standards. When cryptographic keys are embedded within the software source code or configuration files, they become accessible to anyone with access to the application binaries or deployment artifacts, effectively nullifying the encryption protections that should safeguard sensitive communications between system components.
The operational impact of this vulnerability extends beyond simple data exposure, creating cascading security risks within the OpenStack environment. Attackers who gain access to the system can exploit the hard-coded keys to decrypt communications between components, potentially gaining insights into system architecture, user credentials, or other sensitive operational data. This vulnerability particularly affects the integrity of internal communications, as the encryption mechanism fails to provide meaningful protection for data in transit between FusionSphere components. The exposure can lead to unauthorized access to system management interfaces, compromise of user sessions, and potential lateral movement within the network infrastructure.
Security professionals should consider this vulnerability in the context of ATT&CK framework category T1566, which addresses credential harvesting and information gathering techniques. The hard-coded keys essentially provide attackers with a straightforward path to decrypt communications without requiring complex cryptographic attacks or extensive computational resources. Mitigation strategies should include immediate implementation of dynamically generated cryptographic keys, proper key rotation mechanisms, and comprehensive security audits of all cryptographic implementations within the system. Organizations should also implement network segmentation and monitoring to detect unauthorized access attempts and establish proper key management processes that adhere to industry standards for cryptographic security. The vulnerability demonstrates the critical importance of following secure coding practices and proper key management protocols as outlined in ISO/IEC 15408 and other security frameworks to prevent such fundamental security flaws from compromising system integrity.