Summary
A SQL injection vulnerability in the File Download functionality of file-management-system-php allows remote attackers to manipulate the ID parameter submitted to download.php.
When the parameter is incorporated into a database query without adequate protection, an attacker may access or alter database information and potentially affect file-download behavior.
A SQL injection vulnerability in the File Download functionality of file-management-system-php allows remote attackers to manipulate the ID parameter submitted to download.php.
When the parameter is incorporated into a database query without adequate protection, an attacker may access or alter database information and potentially affect file-download behavior.
Affected context
The vulnerability occurs in deployments of file-management-system-php that expose the File Download component and process the ID argument through download.php. Risk is present when externally supplied identifiers reach database queries without parameterization or equivalent safeguards. The practical impact depends on database permissions, application authorization controls, and the data handled by the system.
The vulnerability occurs in deployments of file-management-system-php that expose the File Download component and process the ID argument through download.php. Risk is present when externally supplied identifiers reach database queries without parameterization or equivalent safeguards. The practical impact depends on database permissions, application authorization controls, and the data handled by the system.
Exploit preconditions
- Attack surface: Remote HTTP access to the File Download endpoint
- Required access: The ability to submit requests containing a controllable
IDargument; authentication requirements depend on deployment configuration - Trigger point: Processing of the
IDparameter bydownload.php - Why exploitation is possible: The parameter may be incorporated into a SQL statement without sufficient separation between data and query logic
- Attack surface: Remote HTTP access to the File Download endpoint
- Required access: The ability to submit requests containing a controllable
IDargument; authentication requirements depend on deployment configuration - Trigger point: Processing of the
IDparameter bydownload.php - Why exploitation is possible: The parameter may be incorporated into a SQL statement without sufficient separation between data and query logic
Why this happens
The underlying issue is an injection flaw in which input supplied through a file-download request can influence SQL query structure. This behavior maps primarily to CWE-89: Improper Neutralization of Special Elements used in an SQL Command (SQL Injection), with CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component describing the broader injection pattern. The insecure design treats an externally controlled identifier as trusted query content instead of binding it strictly as a value.
The underlying issue is an injection flaw in which input supplied through a file-download request can influence SQL query structure. This behavior maps primarily to CWE-89: Improper Neutralization of Special Elements used in an SQL Command (SQL Injection), with CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component describing the broader injection pattern. The insecure design treats an externally controlled identifier as trusted query content instead of binding it strictly as a value.
Potential impact
- An attacker may retrieve unauthorized database information
- An attacker could modify or delete database records if the database account permits it
- Application authorization checks may be bypassed in affected query paths
- File metadata or download behavior may be altered
- The application may experience errors, data corruption, or service disruption
- An attacker may retrieve unauthorized database information
- An attacker could modify or delete database records if the database account permits it
- Application authorization checks may be bypassed in affected query paths
- File metadata or download behavior may be altered
- The application may experience errors, data corruption, or service disruption
General mitigation guidance
Mitigation generally focuses on separating user-controlled values from SQL syntax and reducing the trust placed in request parameters.
Common defensive patterns include:
- Use parameterized queries or prepared statements for every database operation
- Validate identifiers against expected types, ranges, and authorized records
- Apply server-side authorization checks before selecting or serving files
- Use database accounts with only the permissions required by the application
- Avoid exposing detailed database errors to clients
- Centralize query construction and enforce secure database-access policies
- Treat downloaded-file references as opaque, server-controlled identifiers where practical
Mitigation generally focuses on separating user-controlled values from SQL syntax and reducing the trust placed in request parameters.
Common defensive patterns include:
- Use parameterized queries or prepared statements for every database operation
- Validate identifiers against expected types, ranges, and authorized records
- Apply server-side authorization checks before selecting or serving files
- Use database accounts with only the permissions required by the application
- Avoid exposing detailed database errors to clients
- Centralize query construction and enforce secure database-access policies
- Treat downloaded-file references as opaque, server-controlled identifiers where practical
How teams detect issues like this
Detection can include static analysis for string concatenation or interpolation of request parameters into SQL statements, especially in download handlers and database helper functions. Code review should examine all paths from download.php and the ID argument to query execution, including validation and authorization sequencing.
Runtime monitoring can look for repeated malformed identifier requests, unusual query errors, unexpected database access patterns, and access to records outside a user's normal scope. Policy enforcement may require prepared statements, approved database-access libraries, and automated security checks in pull requests. Neutral automated code-review and SAST tools can help identify likely injection paths, but findings should be validated against actual data flow.
Detection can include static analysis for string concatenation or interpolation of request parameters into SQL statements, especially in download handlers and database helper functions. Code review should examine all paths from download.php and the ID argument to query execution, including validation and authorization sequencing.
Runtime monitoring can look for repeated malformed identifier requests, unusual query errors, unexpected database access patterns, and access to records outside a user's normal scope. Policy enforcement may require prepared statements, approved database-access libraries, and automated security checks in pull requests. Neutral automated code-review and SAST tools can help identify likely injection paths, but findings should be validated against actual data flow.
Sources
| Source | Link |
|---|---|
| github. | github.com/ |
| github. | github.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
