CVE-2010-2912 in eSupport
Summary
by MITRE
SQL injection vulnerability in index.php in Kayako eSupport 3.70.02 allows remote attackers to execute arbitrary SQL commands via the _a parameter in a downloads action.
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Analysis
by VulDB Data Team • 09/16/2025
The vulnerability identified as CVE-2010-2912 represents a critical sql injection flaw within Kayako eSupport version 3.70.02 that exposes the system to remote code execution risks. This vulnerability specifically targets the index.php script and affects the downloads action functionality, creating a pathway for malicious actors to manipulate database queries through crafted input parameters. The flaw resides in how the application processes user-supplied data without proper sanitization or validation, allowing attackers to inject malicious sql commands that bypass normal security controls. The vulnerability is particularly concerning as it operates at the database interaction layer, where successful exploitation could lead to complete system compromise including data exfiltration, unauthorized access to sensitive information, and potential lateral movement within network environments.
The technical implementation of this vulnerability stems from inadequate input validation mechanisms within the application's parameter handling system. When users interact with the downloads action through the index.php script, the _a parameter is directly incorporated into sql queries without proper escaping or parameterization techniques. This creates an environment where malicious input can alter the intended sql execution flow, enabling attackers to inject additional sql commands that execute with the privileges of the database user account. The vulnerability aligns with CWE-89 which categorizes sql injection as a fundamental weakness in application security where untrusted data is incorporated into sql commands without proper sanitization. The attack vector is particularly dangerous because it allows remote exploitation without requiring authentication, making it an attractive target for automated scanning tools and opportunistic attackers.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and business disruption. Successful exploitation could result in unauthorized access to customer data, support tickets, configuration information, and potentially sensitive system credentials stored within the database. Organizations using Kayako eSupport 3.70.02 face significant risk of regulatory compliance violations, especially in environments governed by data protection regulations such as gdpr, hipaa, or pci dss standards. The vulnerability also creates opportunities for attackers to establish persistent access through database-level backdoors, potentially enabling long-term surveillance and data harvesting. From an attacker perspective, this vulnerability fits within the attack pattern described by the mitre attack framework under the initial access and execution phases, where database compromise serves as a foundation for further lateral movement and privilege escalation.
Mitigation strategies for CVE-2010-2912 must address both immediate remediation and long-term security improvements. Organizations should prioritize upgrading to patched versions of Kayako eSupport, as the vendor has released updates addressing this specific vulnerability. Implementing proper input validation and parameterized queries should become standard practice for all applications handling user input. The implementation of web application firewalls and database activity monitoring systems can provide additional layers of protection against exploitation attempts. Security teams should also conduct comprehensive code reviews focusing on sql query construction and input handling mechanisms. Additionally, implementing database user privilege management, where applications use minimal required database permissions, can limit the potential impact of successful exploitation attempts. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in other applications within the organization's attack surface, as sql injection vulnerabilities often occur in patterns that can be detected through systematic security auditing processes.