CVE-2006-1920 in PMTool
Summary
by MITRE
SQL injection vulnerability in index.php in PMTool 1.2.2 allows remote attackers to execute arbitrary SQL commands via the order parameter in the include files (1) user.inc.php, (2) customer.inc.php, and (3) project.inc.php. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 07/30/2022
The vulnerability identified as CVE-2006-1920 represents a critical sql injection flaw within PMTool version 1.2.2, specifically targeting the index.php application component. This vulnerability manifests through the improper handling of user-supplied input within the order parameter, which is processed across multiple include files including user.inc.php, customer.inc.php, and project.inc.php. The flaw exists in the application's data validation and sanitization mechanisms, allowing malicious actors to inject arbitrary sql commands that bypass normal security controls and execute unauthorized database operations.
The technical implementation of this vulnerability stems from the application's failure to properly escape or validate input parameters before incorporating them into sql query construction. When the order parameter is processed in the affected include files, the application directly concatenates user input into sql statements without adequate sanitization or parameterization. This design flaw aligns with common weakness enumeration CWE-89, which categorizes sql injection vulnerabilities as critical security defects that occur when untrusted data is incorporated into sql commands without proper validation or escaping. The vulnerability's scope is particularly concerning as it affects multiple include files, indicating a systemic code quality issue rather than an isolated incident.
The operational impact of this vulnerability extends far beyond simple data theft, as remote attackers can execute arbitrary sql commands with the privileges of the database user account. This capability enables attackers to perform complete database compromise including data extraction, modification, deletion, and potentially unauthorized access to underlying system resources. The vulnerability's remote exploitability means that attackers do not require physical access or local system privileges to leverage the flaw, making it particularly dangerous in web-facing applications. According to ATT&CK framework category TA0006, this vulnerability represents a privilege escalation and persistence mechanism that allows adversaries to establish long-term access to database resources.
Mitigation strategies for CVE-2006-1920 must address both immediate remediation and long-term architectural improvements. The most effective immediate solution involves implementing proper input validation and parameterized queries throughout the affected application components. All user-supplied parameters, particularly those used in sql query construction, should be sanitized and validated against known good patterns before processing. Database access controls should be implemented to limit the privileges of the application's database user account, ensuring that even if exploitation occurs, the attacker's capabilities remain constrained. The remediation process should include comprehensive code review of all include files to identify similar input handling patterns and implement consistent security measures across the entire application. Additionally, implementing web application firewalls and input filtering mechanisms can provide additional defense-in-depth layers to protect against similar vulnerabilities that may exist in other parts of the application stack.