CVE-2016-3452 in MySQL Server
Summary
by MITRE
Unspecified vulnerability in Oracle MySQL 5.5.48 and earlier, 5.6.29 and earlier, and 5.7.10 and earlier and MariaDB before 5.5.49, 10.0.x before 10.0.25, and 10.1.x before 10.1.14 allows remote attackers to affect confidentiality via vectors related to Server: Security: Encryption.
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Analysis
by VulDB Data Team • 09/09/2022
This vulnerability resides within the cryptographic security mechanisms of database management systems, specifically affecting Oracle MySQL and MariaDB implementations. The unspecified nature of the flaw indicates a broad category of security weaknesses related to encryption protocols rather than a specific implementation bug. The vulnerability impacts versions prior to the mentioned patches, suggesting it was a fundamental issue in how these systems handled encrypted communications and data protection. Systems utilizing these older versions would have been susceptible to information disclosure attacks that could compromise the confidentiality of data transmitted between clients and servers.
The technical flaw operates within the server-side security encryption framework, where attackers could exploit weaknesses in the cryptographic implementation to gain unauthorized access to confidential information. This type of vulnerability falls under the broader category of cryptographic weakness classifications, typically associated with improper implementation of encryption standards or protocol flaws that allow adversaries to intercept or manipulate encrypted data streams. The vulnerability's impact on confidentiality suggests that sensitive data flowing through these systems could be exposed to unauthorized parties, potentially including database credentials, user information, financial data, or other proprietary content.
From an operational perspective, this vulnerability poses significant risks to organizations relying on these database systems for critical operations. Attackers could leverage this weakness to perform man-in-the-middle attacks, decrypt sensitive communications, or access stored data that was intended to be protected through encryption. The remote nature of the attack vector means that adversaries could exploit this vulnerability from outside the network perimeter, potentially leading to data breaches, regulatory compliance violations, and substantial financial and reputational damage. Organizations with databases running affected versions would have been particularly vulnerable during the period when these unpatched versions were in use.
Mitigation strategies for this vulnerability primarily involve immediate patching of affected systems to the latest available versions that contain the necessary security fixes. Organizations should conduct comprehensive inventory assessments to identify all systems running vulnerable versions of MySQL or MariaDB and prioritize their remediation efforts. Network segmentation and monitoring should be implemented to detect potential exploitation attempts, while cryptographic protocols should be reviewed to ensure proper implementation of TLS/SSL configurations. Security teams should also implement regular vulnerability scanning processes and maintain up-to-date patch management procedures to prevent similar issues from occurring in the future. This vulnerability aligns with attack patterns documented in the mitre attack framework under the credential access and defense evasion techniques, particularly those involving cryptographic attacks and information disclosure.