CVE-2012-3998 in Sticky Notes
Summary
by MITRE
Multiple SQL injection vulnerabilities in Sticky Notes before 0.2.27052012.5 allow remote attackers to execute arbitrary SQL commands via the (1) paste id in admin/modules/mod_pastes.php or (2) show.php, (3) user id to admin/modules/mod_users.php, (4) project to list.php, or (5) session id to show.php.
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Analysis
by VulDB Data Team • 12/06/2021
The vulnerability described in CVE-2012-3998 represents a critical SQL injection flaw affecting the Sticky Notes application version prior to 0.2.27052012.5. This vulnerability exposes multiple entry points within the application's administrative and user-facing modules, creating significant attack surface for remote threat actors seeking to compromise the system. The affected components include administrative modules such as mod_pastes.php and mod_users.php, as well as front-end scripts like show.php and list.php, indicating a widespread weakness in input validation and query construction throughout the application's architecture. The vulnerability's classification aligns with CWE-89, which specifically addresses SQL injection attacks where untrusted data is directly incorporated into SQL command strings without proper sanitization or parameterization.
The technical exploitation of this vulnerability occurs through five distinct vectors that all rely on improper handling of user-supplied input within SQL queries. Attackers can manipulate the paste id parameter in admin/modules/mod_pastes.php to inject malicious SQL commands, similarly targeting the show.php script with paste id inputs. The user id parameter in admin/modules/mod_users.php provides another injection point, while the project parameter in list.php and session id in show.php create additional attack vectors. These vulnerabilities demonstrate a fundamental flaw in the application's security architecture where user input flows directly into database queries without adequate sanitization or prepared statement usage. The attack requires no authentication and can be executed remotely, making it particularly dangerous as it allows unauthorized actors to gain direct access to the underlying database infrastructure.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and potential data destruction. Successful exploitation could enable attackers to extract sensitive user information, modify or delete database records, escalate privileges, or even gain shell access to the underlying server. The administrative nature of the affected modules means that attackers could potentially manipulate user accounts, modify paste content, or access restricted administrative functions. The vulnerability's presence in both front-end and back-end scripts indicates that the entire application stack is at risk, with potential for cascading effects throughout the system's data integrity and availability. Organizations using affected versions face significant exposure to data breaches, regulatory compliance violations, and potential legal consequences due to the unauthorized access to sensitive information that this vulnerability enables.
Mitigation strategies for CVE-2012-3998 must focus on immediate patching of the affected application to version 0.2.27052012.5 or later, which should contain proper input validation and parameterized query implementations. System administrators should implement comprehensive input sanitization measures across all user-facing scripts, ensuring that all parameters passed to database queries undergo proper validation and escaping before processing. The implementation of prepared statements or parameterized queries should be mandatory for all database interactions, as recommended by the OWASP Top Ten and NIST guidelines for secure coding practices. Network-level protections including web application firewalls and intrusion detection systems should be deployed to monitor and block suspicious SQL injection attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, with particular attention to the ATT&CK framework's T1190 technique for SQL injection attacks. Organizations should also implement proper access controls and audit logging to detect unauthorized database access attempts, while maintaining regular backup procedures to ensure rapid recovery from potential exploitation events.