CVE-2009-1736 in Com Gsticketsystem
Summary
by MITRE
SQL injection vulnerability in the GridSupport (GS) Ticket System (com_gsticketsystem) component for Joomla! allows remote attackers to execute arbitrary SQL commands via the catid parameter in a viewCategory action to index.php.
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Analysis
by VulDB Data Team • 11/29/2024
The vulnerability identified as CVE-2009-1736 represents a critical sql injection flaw within the GridSupport Ticket System component for Joomla! platforms. This vulnerability specifically affects the com_gsticketsystem component and exposes the system to remote code execution risks through improper input validation mechanisms. The flaw manifests when the application processes the catid parameter within the viewCategory action of the index.php endpoint, creating an exploitable pathway for malicious actors to manipulate database queries. The vulnerability falls under the category of insecure input handling and demonstrates poor sanitization practices that allow attackers to inject malicious sql commands directly into the application's query execution flow.
The technical exploitation of this vulnerability occurs through the manipulation of the catid parameter which is processed without adequate validation or sanitization. When a remote attacker submits a maliciously crafted catid value, the application incorporates this unvalidated input directly into sql queries without proper escaping or parameterization. This allows attackers to inject sql commands that can manipulate database contents, extract sensitive information, or even execute administrative operations within the database context. The vulnerability's impact is amplified by the fact that it operates within a widely used content management system, making it particularly attractive to threat actors seeking to compromise web applications. This flaw aligns with CWE-89 which specifically addresses improper neutralization of special elements used in sql commands, and represents a classic example of how insufficient input validation can lead to complete system compromise.
The operational impact of this vulnerability extends beyond simple data theft to encompass full system compromise capabilities for attackers. Successful exploitation can enable unauthorized access to sensitive user data, including personal information, credentials, and system configuration details stored within the database. Attackers may also leverage this vulnerability to escalate privileges, modify system behavior, or establish persistent access points within the compromised environment. The vulnerability affects the entire Joomla! ecosystem where the GridSupport component is installed, potentially impacting multiple websites and applications that rely on this particular plugin. Organizations running vulnerable systems face significant risks including data breaches, service disruption, and potential regulatory compliance violations. The attack surface is particularly concerning given that this vulnerability affects a component that likely handles sensitive support ticket data and user information, making it an attractive target for both criminal actors and nation-state threats.
Mitigation strategies for CVE-2009-1736 must address both immediate remediation and long-term security improvements to prevent similar vulnerabilities from emerging. The primary recommendation involves applying the vendor-supplied security patches or upgrading to patched versions of the GridSupport component for Joomla!. Organizations should also implement proper input validation and sanitization measures that enforce strict parameter validation for all user-supplied inputs. Database access controls should be reviewed and implemented to ensure that application accounts have minimal required privileges, following the principle of least privilege. Additionally, implementing web application firewalls and intrusion detection systems can provide additional layers of protection against sql injection attacks. The vulnerability demonstrates the importance of regular security assessments and vulnerability scanning to identify and remediate similar issues before they can be exploited. Organizations should also consider implementing automated code review processes that specifically target sql injection vulnerabilities and ensure proper parameterization of database queries. This vulnerability serves as a reminder of the critical need for secure coding practices and the importance of following established security frameworks such as those defined in the owasp top ten and mitre attack framework, particularly focusing on techniques related to command injection and credential access within the attack lifecycle.