CVE-2005-1397 in PHP-Calendar
Summary
by MITRE
SQL injection vulnerability in search.php for PHP-Calendar before 0.10.3 allows remote attackers to execute arbitrary SQL commands via unknown vectors.
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Analysis
by VulDB Data Team • 07/05/2021
The vulnerability identified as CVE-2005-1397 represents a critical sql injection flaw in the PHP-Calendar application version 0.10.2 and earlier. This vulnerability exists within the search.php component of the calendar system, which processes user input without proper sanitization or validation mechanisms. The flaw allows remote attackers to inject malicious sql commands through unspecified input vectors, potentially enabling full database compromise and unauthorized access to sensitive information stored within the application's backend systems.
The technical nature of this vulnerability aligns with common weakness enumeration CWE-89, which specifically addresses sql injection vulnerabilities where untrusted data is incorporated into sql queries without proper escaping or parameterization. The vulnerability stems from inadequate input validation and sanitization practices within the search functionality, where user-provided parameters are directly concatenated into sql statements rather than being properly escaped or parameterized. This creates an attack surface where malicious actors can manipulate the sql execution flow by injecting specially crafted payloads that alter the intended query logic.
From an operational perspective, this vulnerability presents severe risks to organizations utilizing PHP-Calendar versions prior to 0.10.3. Remote attackers could exploit this flaw to execute arbitrary sql commands on the underlying database server, potentially leading to data theft, data modification, or complete system compromise. The attack vector remains unspecified in the original description, but typically such vulnerabilities in search components can be exploited through url parameters, form inputs, or api endpoints where user data is processed. The impact extends beyond simple data exposure as attackers might escalate privileges, create backdoors, or perform destructive operations on the database infrastructure.
The remediation strategy for this vulnerability primarily involves upgrading to PHP-Calendar version 0.10.3 or later, which contains the necessary patches to address the sql injection vulnerability. Organizations should also implement proper input validation and sanitization measures, including parameterized queries or prepared statements to prevent similar vulnerabilities in other components. Security best practices recommend implementing web application firewalls and input filtering mechanisms to detect and prevent sql injection attempts. Additionally, regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities across the entire application stack, as this flaw demonstrates the importance of proper data sanitization in web applications. The vulnerability also aligns with attack techniques documented in the attack pattern taxonomy where adversaries leverage sql injection to gain unauthorized database access and execute malicious commands.