CVE-2007-4835 in phpMyQuote
Summary
by MITRE
SQL injection vulnerability in index.php in phpMyQuote 0.20 allows remote attackers to execute arbitrary SQL commands via the id parameter in an edit action.
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Analysis
by VulDB Data Team • 09/08/2018
The vulnerability identified as CVE-2007-4835 represents a critical sql injection flaw within the phpMyQuote application version 0.20. This security weakness exists in the index.php file and specifically affects the edit functionality of the application. The vulnerability arises from insufficient input validation and sanitization of user-supplied data, creating an avenue for malicious actors to manipulate database queries through crafted input parameters.
The technical implementation of this vulnerability stems from improper handling of the id parameter within the edit action of phpMyQuote. When users attempt to edit records through the web interface, the application fails to properly sanitize or escape the id parameter before incorporating it into sql queries. This oversight allows attackers to inject malicious sql code that gets executed by the database server, potentially enabling full database compromise. The vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses sql injection vulnerabilities where untrusted data is directly included in sql commands without proper sanitization.
From an operational perspective, this vulnerability poses severe risks to systems running affected versions of phpMyQuote. Remote attackers can exploit this flaw to execute arbitrary sql commands on the underlying database, potentially leading to data theft, data modification, unauthorized access to sensitive information, or complete database compromise. The impact extends beyond simple data exposure as attackers might escalate privileges, create backdoors, or perform destructive operations on the database infrastructure. This vulnerability particularly affects web applications that rely on phpMyQuote for database management and administration tasks, making it a significant concern for organizations with web-based database interfaces.
The exploitation of this vulnerability requires minimal technical expertise and can be accomplished through standard sql injection techniques. Attackers typically craft malicious payloads that manipulate the id parameter to inject sql commands, often using techniques such as union-based queries or time-based blind injection methods. The vulnerability's remote nature means that attackers do not require physical access to the system, making it particularly dangerous for publicly accessible web applications. Organizations using phpMyQuote 0.20 should immediately implement mitigations including input validation, parameterized queries, and proper output encoding to prevent exploitation. Additionally, the application should be updated to a patched version that properly sanitizes user input and implements secure coding practices. The ATT&CK framework categorizes this vulnerability under the technique of command and control through sql injection, where adversaries leverage database access to maintain persistence and exfiltrate data from compromised systems.