CVE-2018-0607 in Garoon
Summary
by MITRE
SQL injection vulnerability in the Notifications application in the Cybozu Garoon 3.5.0 to 4.6.2 allows remote authenticated attackers to execute arbitrary SQL commands via unspecified vectors.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 03/10/2020
The vulnerability identified as CVE-2018-0607 represents a critical SQL injection flaw within the Notifications application component of Cybozu Garoon software versions 3.5.0 through 4.6.2. This vulnerability specifically targets the authentication and authorization mechanisms of the system, creating a pathway for malicious actors to exploit the application's database interactions. The flaw exists in the manner in which user-supplied input is processed within the notification subsystem, where insufficient validation and sanitization of data allows attackers to inject malicious SQL commands that can be executed within the database context. The vulnerability is classified as a remote authenticated attack vector, meaning that an attacker must first establish legitimate credentials to access the system, but once authenticated, they can leverage this weakness to gain unauthorized database access. This type of vulnerability falls under CWE-89 which specifically addresses SQL injection flaws in software applications. The attack surface is particularly concerning because the Notifications application typically handles sensitive user data, system alerts, and potentially administrative functions that could be exploited to escalate privileges or extract confidential information from the underlying database.
The technical implementation of this vulnerability stems from improper input handling within the application's database query construction process. When authenticated users interact with the Notifications functionality, the system fails to adequately sanitize or parameterize user-provided data before incorporating it into SQL command structures. This allows attackers to manipulate the intended query execution by injecting malicious SQL syntax that bypasses normal authentication checks and validation mechanisms. The unspecified vectors mentioned in the description suggest that the vulnerability could be triggered through multiple entry points within the notification system, potentially including message creation, recipient management, or notification configuration parameters. This lack of specificity in the vulnerability description indicates that the flaw may exist across multiple code paths, making the attack surface more extensive and harder to fully mitigate. The vulnerability demonstrates a classic pattern of insufficient input validation and output encoding, which are fundamental security practices that should be implemented at every layer of application development. According to ATT&CK framework, this vulnerability maps to T1071.004 for application layer protocol, and T1213.002 for data from information repositories, as attackers can leverage this to extract sensitive data from the database. The impact of successful exploitation extends beyond simple data theft to include potential system compromise, data corruption, and unauthorized access to administrative functions that may be protected by the same database.
The operational impact of CVE-2018-0607 is substantial for organizations using affected Cybozu Garoon versions, as it provides attackers with a direct pathway to database-level compromise. Once exploited, the vulnerability could enable unauthorized access to user accounts, notification histories, system configurations, and potentially sensitive business data that flows through the notification system. The authenticated nature of the attack means that organizations must assume that any compromised user account could serve as a gateway to more extensive database exploitation, potentially leading to privilege escalation and lateral movement within the network. Organizations may face regulatory compliance issues if sensitive data is accessed or modified through this vulnerability, particularly in environments where data protection regulations such as GDPR, HIPAA, or SOX apply. The vulnerability also impacts system availability, as attackers could potentially execute destructive SQL commands that might corrupt database structures or cause system downtime. From a defensive perspective, this vulnerability highlights the importance of implementing proper database access controls, regular security assessments, and input validation across all application components. The attack could be mitigated through various means including immediate patching, database query parameterization, input validation, and network segmentation. Organizations should also implement monitoring for unusual database activity patterns that might indicate exploitation attempts. The vulnerability underscores the need for comprehensive security testing including dynamic application security testing and database penetration testing to identify similar issues in other application components. Given the nature of the flaw, it represents a significant risk to enterprise information security and requires immediate attention from security teams to assess potential exposure and implement appropriate controls. The impact extends beyond immediate data compromise to include potential long-term security implications and the need for complete system re-evaluation following any exploitation attempts.