CVE-2006-2293 in MultiCalendars
Summary
by MITRE
SQL injection vulnerability in all_calendars.asp in MultiCalendars 3.0 allows remote attackers to execute arbitrary SQL commands via the calsids parameter. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
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Analysis
by VulDB Data Team • 11/07/2024
The vulnerability identified as CVE-2006-2293 represents a critical SQL injection flaw within MultiCalendars 3.0 software, specifically affecting the all_calendars.asp component. This security weakness enables remote attackers to manipulate the application's database interactions by exploiting the calsids parameter, potentially leading to unauthorized data access, modification, or deletion. The vulnerability stems from insufficient input validation and sanitization within the web application's parameter handling mechanism, creating an attack surface where malicious SQL commands can be injected and executed with the privileges of the database user.
The technical exploitation of this vulnerability occurs when an attacker submits specially crafted input through the calsids parameter in the all_calendars.asp script. Without proper input filtering or parameterized query construction, the application directly incorporates user-supplied data into SQL query strings, allowing attackers to alter the intended query structure. This injection allows for arbitrary SQL command execution, potentially enabling attackers to extract sensitive information from the database, modify or delete records, or even escalate privileges within the database environment. The flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is improperly incorporated into SQL queries.
From an operational perspective, this vulnerability presents significant risks to organizations utilizing MultiCalendars 3.0, as it can be exploited remotely without requiring authentication or specialized privileges. Attackers can leverage this weakness to gain unauthorized access to calendar data, potentially including sensitive personal information, business schedules, or confidential meeting details. The impact extends beyond simple data theft, as successful exploitation could lead to complete database compromise, allowing attackers to establish persistent access or deploy additional malicious payloads within the network infrastructure. The vulnerability affects the application's integrity and confidentiality, potentially violating data protection regulations and corporate security policies.
Security mitigations for this vulnerability should focus on implementing proper input validation and parameterized queries throughout the application code. Organizations should immediately apply patches or updates provided by the software vendor to address this flaw, while also implementing web application firewalls to detect and block suspicious SQL injection attempts. Additionally, developers should adopt secure coding practices including input sanitization, output encoding, and least privilege database access controls. The remediation process should include thorough code review to identify similar vulnerabilities in other application components and implementation of proper error handling to prevent information leakage that could aid further exploitation attempts. This vulnerability exemplifies the critical importance of validating all user inputs and following secure coding standards as outlined in various security frameworks and best practices.