CVE-2013-6931 in Garoon
Summary
by MITRE
SQL injection vulnerability in the API in Cybozu Garoon 3.7.x before 3.7.3 allows remote authenticated users to execute arbitrary SQL commands via unspecified vectors, a different vulnerability than CVE-2013-6929.
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Analysis
by VulDB Data Team • 03/06/2019
The vulnerability identified as CVE-2013-6931 represents a critical sql injection flaw within the application programming interface of cybozu garoon 3.7.x versions prior to 3.7.3. this weakness specifically affects the api component of the collaboration software platform that enables users to manage calendar events, meetings, and other organizational data. the vulnerability allows authenticated remote attackers to manipulate database queries through unspecified input vectors, potentially leading to unauthorized data access or modification. this issue is distinct from the related CVE-2013-6929 vulnerability, indicating separate attack surfaces within the same software version. the affected environment typically includes organizations utilizing cybozu garoon for business collaboration, where the api serves as a critical interface for integrating third-party applications and automated processes.
the technical exploitation of this vulnerability stems from insufficient input validation and sanitization within the api's sql query construction mechanisms. when authenticated users submit data through api endpoints, the application fails to properly escape or parameterize user-supplied inputs before incorporating them into database queries. this allows attackers to inject malicious sql syntax that can manipulate the underlying database operations. the vulnerability is classified as a sql injection attack pattern that aligns with common weakness enumeration cwecwe-89, which specifically addresses improper neutralization of special elements used in sql commands. the attack typically involves crafting malicious payloads that can bypass authentication checks or directly manipulate database records through the api interface.
the operational impact of this vulnerability extends beyond simple data theft or modification, as it can enable attackers to escalate privileges and access sensitive organizational information. in a typical cybozu garoon deployment, the api serves as a bridge between various enterprise applications and the central collaboration database. successful exploitation could allow an attacker to extract confidential meeting schedules, personal contact information, calendar entries, and potentially administrative credentials stored within the database. the authenticated nature of the attack means that an attacker would need valid user credentials, but this requirement does not significantly reduce the risk given that user accounts can be compromised through various means including credential theft, social engineering, or exploitation of other vulnerabilities. the vulnerability also impacts business continuity by potentially allowing data corruption or complete database access that could disrupt organizational workflows.
organizations should implement immediate mitigation strategies including applying the vendor-provided patch version 3.7.3 or later, which addresses the specific sql injection vectors identified in the vulnerability. network segmentation and api access controls should be strengthened to limit exposure of the affected components, particularly restricting access to the api endpoints from untrusted networks. input validation should be enhanced at multiple layers including application-level parameter sanitization and database-level query preparation techniques. security monitoring should be implemented to detect unusual api access patterns or potential exploitation attempts. the vulnerability demonstrates the importance of regular security updates and proper input handling in enterprise collaboration platforms, aligning with att&ck technique t1071.004 for application layer protocol tunneling and t1190 for exploitation of vulnerabilities in applications. organizations should also consider implementing web application firewalls to provide additional protection against sql injection attacks targeting the affected api components, and conduct comprehensive security assessments of their collaboration platforms to identify similar vulnerabilities in other applications.