Summary
A SQL injection vulnerability in the file-management-system-php application allows attacker-controlled values in the fid or id parameters to influence database queries. Because the affected functionality is remotely accessible, an unauthenticated or otherwise permitted attacker may be able to read, alter, or interfere with database-backed data, depending on deployment permissions.
A SQL injection vulnerability in the file-management-system-php application allows attacker-controlled values in the fid or id parameters to influence database queries. Because the affected functionality is remotely accessible, an unauthenticated or otherwise permitted attacker may be able to read, alter, or interfere with database-backed data, depending on deployment permissions.
Affected context
The issue occurs in the File Management functionality exposed through files.php, where request parameters such as fid or id may be incorporated into database operations without sufficient separation between data and SQL syntax. Risk is higher when the endpoint is reachable remotely and database credentials grant broad read or write privileges.
The issue occurs in the File Management functionality exposed through files.php, where request parameters such as fid or id may be incorporated into database operations without sufficient separation between data and SQL syntax. Risk is higher when the endpoint is reachable remotely and database credentials grant broad read or write privileges.
Exploit preconditions
- Attack surface: The remotely accessible File Management endpoint in
files.php - Required access: Network access to the endpoint; authentication requirements depend on the deployment
- Trigger point: Processing of the
fidoridrequest parameters - Why exploitation is possible: User-controlled input can influence database query construction without adequate parameterization or equivalent query isolation
- Attack surface: The remotely accessible File Management endpoint in
files.php - Required access: Network access to the endpoint; authentication requirements depend on the deployment
- Trigger point: Processing of the
fidoridrequest parameters - Why exploitation is possible: User-controlled input can influence database query construction without adequate parameterization or equivalent query isolation
Why this happens
The underlying bug is an injection flaw in which externally supplied values are treated as part of a database command rather than strictly as data. If query construction concatenates or otherwise embeds the fid or id values without robust parameter binding and validation, database syntax can be altered by crafted input. This maps primarily to CWE-89, SQL Injection; the broader CWE-74 classification covers improper neutralization of special elements in command-like languages.
The underlying bug is an injection flaw in which externally supplied values are treated as part of a database command rather than strictly as data. If query construction concatenates or otherwise embeds the fid or id values without robust parameter binding and validation, database syntax can be altered by crafted input. This maps primarily to CWE-89, SQL Injection; the broader CWE-74 classification covers improper neutralization of special elements in command-like languages.
Potential impact
- An attacker may retrieve unauthorized database records
- Database contents could be modified or deleted
- Application authentication or authorization data could be exposed
- The application may experience service disruption
- Database compromise could enable further access to connected systems
- An attacker may retrieve unauthorized database records
- Database contents could be modified or deleted
- Application authentication or authorization data could be exposed
- The application may experience service disruption
- Database compromise could enable further access to connected systems
General mitigation guidance
Mitigation generally focuses on ensuring that request data cannot become
executable SQL syntax.
Common defensive patterns include:
- Use parameterized queries or prepared statements for every database operation
- Apply allowlisted type and format validation to identifier parameters
- Avoid dynamically concatenating request values into SQL statements
- Use database accounts with only the minimum required permissions
- Centralize data-access routines and enforce consistent query-safety policies
- Reduce trust in client-supplied identifiers by resolving access through server-side authorization checks
- Return generic database errors and avoid exposing query details to clients
Mitigation generally focuses on ensuring that request data cannot become
executable SQL syntax.
Common defensive patterns include:
- Use parameterized queries or prepared statements for every database operation
- Apply allowlisted type and format validation to identifier parameters
- Avoid dynamically concatenating request values into SQL statements
- Use database accounts with only the minimum required permissions
- Centralize data-access routines and enforce consistent query-safety policies
- Reduce trust in client-supplied identifiers by resolving access through server-side authorization checks
- Return generic database errors and avoid exposing query details to clients
How teams detect issues like this
Organizations commonly detect this class of issue through:
- Static analysis rules identifying SQL string concatenation with request parameters
- Code review checks for unparameterized queries in
files.phpand related data-access code - Dynamic application testing that uses benign injection-detection probes against identifier parameters
- Database monitoring for anomalous query patterns, unexpected errors, or unusual access volumes
- Policy enforcement requiring prepared statements and approved database-access abstractions
- Automated security review tools that flag data flowing from HTTP parameters into query construction
Organizations commonly detect this class of issue through:
- Static analysis rules identifying SQL string concatenation with request parameters
- Code review checks for unparameterized queries in
files.phpand related data-access code - Dynamic application testing that uses benign injection-detection probes against identifier parameters
- Database monitoring for anomalous query patterns, unexpected errors, or unusual access volumes
- Policy enforcement requiring prepared statements and approved database-access abstractions
- Automated security review tools that flag data flowing from HTTP parameters into query construction
Sources
| Source | Link |
|---|---|
| github. | github.com/ |
| github. | github.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
