CVE-2008-2793 in ClipShare
Summary
by MITRE
SQL injection vulnerability in group_posts.php in ClipShare before 3.0.1 allows remote attackers to execute arbitrary SQL commands via the tid parameter.
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Analysis
by VulDB Data Team • 10/28/2024
The CVE-2008-2793 vulnerability represents a critical sql injection flaw in ClipShare version 3.0.0 and earlier, specifically affecting the group_posts.php component. This vulnerability resides within the web application's input validation mechanisms where user-supplied data is not properly sanitized before being incorporated into sql queries. The affected parameter tid serves as the primary attack vector, allowing malicious actors to inject arbitrary sql commands through crafted input that bypasses normal security controls. The vulnerability classification aligns with cwe-89 which defines sql injection as the improper handling of sql command structure in applications. This weakness enables attackers to manipulate database queries and potentially gain unauthorized access to sensitive information or execute destructive operations on the underlying database system.
The technical exploitation of this vulnerability occurs when an attacker submits malicious input through the tid parameter in the group_posts.php script. The application fails to implement proper input sanitization or parameterized queries, allowing sql payload injection that executes within the database context. Attackers can leverage this flaw to perform various malicious activities including data extraction, modification, or deletion, depending on their privileges and the database configuration. The vulnerability demonstrates a fundamental lack of secure coding practices where user input directly influences sql query construction without adequate validation or escaping mechanisms. This weakness exists because the application employs dynamic sql query building techniques that concatenate user-supplied values directly into sql statements, creating an environment where sql commands can be arbitrarily altered by malicious input.
The operational impact of CVE-2008-2793 extends beyond simple data theft to encompass complete database compromise and potential system-wide exploitation. Remote attackers can leverage this vulnerability to access confidential user information, modify database content, or even escalate privileges to gain administrative control over the database system. The vulnerability affects the confidentiality, integrity, and availability of the application's data, potentially leading to service disruption and data breaches. Organizations running ClipShare versions prior to 3.0.1 face significant risk of unauthorized access and data manipulation, with potential consequences including customer data exposure, regulatory violations, and financial losses. The attack surface is particularly concerning given that the vulnerability allows remote exploitation without requiring authentication, making it accessible to any internet-connected attacker.
Mitigation strategies for this vulnerability center on immediate application patching and implementation of secure coding practices. The primary solution involves upgrading to ClipShare version 3.0.1 or later, which includes proper input validation and sql injection protection mechanisms. Organizations should implement parameterized queries or prepared statements to prevent sql injection attacks, ensuring that user input is properly escaped or validated before database processing. Additional defensive measures include input validation at multiple layers, implementation of web application firewalls, and regular security testing to identify similar vulnerabilities. The remediation approach aligns with attack techniques described in the mitre attack framework under initial access and execution phases, where attackers leverage injection vulnerabilities to establish persistent access. Security teams should also conduct comprehensive code reviews to identify and remediate similar sql injection vulnerabilities throughout the application codebase, following secure coding guidelines established by organizations such as owasp and nist.