CVE-2017-3465 in MySQL Server
Summary
by MITRE
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Privileges). Supported versions that are affected are 5.7.17 and earlier. Easily "exploitable" vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 08/29/2024
The vulnerability identified as CVE-2017-3465 resides within Oracle MySQL Server's security privilege subsystem, specifically affecting versions 5.7.17 and earlier. This flaw represents a significant security weakness that undermines the integrity controls of the database system. The vulnerability operates within the Server: Security: Privileges subcomponent, which governs how user permissions are enforced and managed within the MySQL environment. The affected versions contain a critical design flaw that permits unauthorized privilege escalation through network-based attacks.
This vulnerability is classified as easily exploitable, meaning that attackers with minimal technical expertise and network access can leverage it to compromise MySQL Server operations. The attack vector utilizes multiple network protocols, providing attackers with various pathways to exploit the weakness. The low privilege requirement for exploitation means that even users with minimal access rights can potentially compromise the system. The CVSS 3.0 scoring system assigns this vulnerability a base score of 4.3, reflecting its integrity impact level and indicating that while not critical, it poses a substantial risk to database security. The vector notation AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N breaks down to network-based access, low attack complexity, low privilege requirements, no user interaction, and unscoped impact with limited integrity compromise.
The operational impact of CVE-2017-3465 manifests as unauthorized data modification capabilities within the MySQL Server environment. Attackers who successfully exploit this vulnerability can achieve unauthorized update, insert, or delete operations on database content that should normally be restricted to authorized users. This compromise directly affects data integrity and can lead to data corruption, unauthorized modifications, or complete data manipulation. The vulnerability's impact extends beyond simple data access as it allows attackers to alter database records, potentially leading to financial losses, compliance violations, or operational disruption. Organizations relying on MySQL for critical data storage face significant risk from this vulnerability, particularly in environments where database privileges are not properly audited or maintained.
The technical nature of this vulnerability aligns with CWE-284, which describes improper access control mechanisms within software systems. This classification indicates that the underlying issue stems from inadequate privilege enforcement within the MySQL server's security framework. From an adversarial perspective, this vulnerability maps to ATT&CK technique T1078 which covers valid accounts and legitimate credentials for system access. The vulnerability essentially allows attackers to escalate their privileges through legitimate network access, bypassing normal security controls. Organizations should implement immediate mitigations including patching to the latest MySQL versions, network segmentation to limit access to database servers, and comprehensive privilege auditing to identify and remediate unauthorized access rights. Additionally, implementing network monitoring solutions can help detect anomalous database access patterns that may indicate exploitation attempts. The vulnerability underscores the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect critical database infrastructure from unauthorized access and modification attempts.