CVE-2007-3183 in Calendarix
Summary
by MITRE
Multiple SQL injection vulnerabilities in Calendarix 0.7.20070307, when magic_quotes_gpc is disabled, allow remote attackers to execute arbitrary SQL commands via the (1) month and (2) year parameters to calendar.php and the (3) search string to cal_search.php.
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Analysis
by VulDB Data Team • 06/28/2025
The vulnerability identified as CVE-2007-3183 represents a critical SQL injection flaw in Calendarix version 0.7.20070307 that specifically exploits the absence of proper input validation mechanisms. This vulnerability manifests when the PHP configuration parameter magic_quotes_gpc is disabled, creating an environment where malicious actors can manipulate database queries through carefully crafted input parameters. The flaw affects multiple components within the calendar application, making it particularly dangerous as it provides multiple attack vectors for unauthorized database access and manipulation.
The technical implementation of this vulnerability stems from the application's failure to sanitize user-supplied input before incorporating it into SQL query constructions. When magic_quotes_gpc is disabled, PHP does not automatically escape special characters in GET, POST, and COOKIE data, leaving the application exposed to malicious input. Attackers can exploit this by injecting SQL syntax directly into the month and year parameters of calendar.php, as well as the search string parameter in cal_search.php. These parameters are directly concatenated into SQL statements without proper validation or escaping, allowing attackers to manipulate the intended query execution flow.
The operational impact of CVE-2007-3183 extends far beyond simple data theft, as successful exploitation enables attackers to execute arbitrary SQL commands on the underlying database system. This capability allows for complete database enumeration, data modification, and potential privilege escalation within the application's database environment. Attackers could extract sensitive information including user credentials, personal calendar data, and potentially gain access to other systems if the database server shares network resources with additional applications. The vulnerability also provides a pathway for persistent access through the creation of backdoor accounts or modification of existing user permissions.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws in software applications. The attack pattern follows common TTPs outlined in the MITRE ATT&CK framework under the technique of SQL Injection, where adversaries manipulate application input to execute malicious SQL commands. Organizations affected by this vulnerability should implement immediate mitigations including disabling magic_quotes_gpc, implementing proper input validation, and employing prepared statements or parameterized queries to prevent SQL injection attacks. Additionally, network segmentation and database access controls should be reviewed to limit potential damage from successful exploitation attempts.