CVE-2007-4716 in Help Desk
Summary
by MITRE
Multiple SQL injection vulnerabilities in PHD Help Desk before 1.31 allow remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 10/30/2017
The CVE-2007-4716 vulnerability represents a critical security flaw in PHD Help Desk software versions prior to 1.31, exposing the application to multiple SQL injection attack vectors. This vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses SQL injection flaws where untrusted data is incorporated into SQL commands without proper sanitization or parameterization. The affected system allows remote attackers to manipulate database queries through unspecified input vectors, potentially enabling full database compromise and unauthorized data access. The vulnerability's severity stems from the fact that it affects the core database interaction mechanisms within the help desk application, making it a prime target for attackers seeking to escalate privileges or extract sensitive information.
The technical implementation of this vulnerability demonstrates poor input validation practices within the PHD Help Desk application. Attackers can exploit this weakness by injecting malicious SQL payloads through various entry points that are not properly sanitized before being processed by the database engine. These unspecified vectors likely include form fields, URL parameters, or API endpoints that directly incorporate user-supplied data into SQL queries. The lack of proper parameterized queries or input sanitization creates an environment where attackers can manipulate the intended database behavior and execute arbitrary commands with the privileges of the database user account. This type of vulnerability is particularly dangerous because it can be leveraged to perform data exfiltration, data modification, or even complete database compromise depending on the underlying database system's configuration and the attacker's access level.
The operational impact of CVE-2007-4716 extends beyond simple data theft, as it provides attackers with the capability to manipulate the help desk system's underlying data infrastructure. Organizations using vulnerable versions of PHD Help Desk face potential exposure of sensitive customer information, internal support tickets, user credentials, and system configuration data. The vulnerability can be exploited remotely without requiring authentication, making it particularly attractive to threat actors seeking low-effort high-impact attacks. Depending on the database backend and system permissions, attackers might be able to escalate privileges, create new database users, or even execute operating system commands through database-specific features. This vulnerability directly aligns with attack patterns described in the mitre attack framework under techniques such as T1071.004 for application layer protocol usage and T1566 for credential access through injection attacks.
Organizations affected by this vulnerability should immediately implement comprehensive mitigation strategies including updating to PHD Help Desk version 1.31 or later, which contains the necessary security patches. System administrators should also implement web application firewalls to detect and block SQL injection attempts, conduct thorough input validation on all user-supplied data, and employ parameterized queries throughout the application codebase. Database access controls should be reviewed and restricted to minimize potential damage from successful exploitation attempts. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications. The remediation process should follow industry standards such as those outlined in the owasp top ten and iso/iec 27001 security frameworks to ensure comprehensive protection against similar injection attacks. Organizations should also consider implementing database activity monitoring solutions to detect anomalous SQL query patterns that may indicate exploitation attempts.