Summary
A remotely reachable SQL injection vulnerability affects the registration form in the EmployeeRecruitmentSystem, where user-controlled profile fields are passed to a database query without adequate separation from SQL syntax. An attacker who can submit registration requests may alter database queries, potentially accessing or changing recruitment data.
A remotely reachable SQL injection vulnerability affects the registration form in the EmployeeRecruitmentSystem, where user-controlled profile fields are passed to a database query without adequate separation from SQL syntax. An attacker who can submit registration requests may alter database queries, potentially accessing or changing recruitment data.
Affected context
The vulnerability occurs in the Registration component, specifically the registerform1.php endpoint, when submitted values such as names, gender, birth date, state, and city details are incorporated into mysql_query. The risk is greatest when the endpoint is remotely accessible and request data reaches the database layer without parameterization or equivalent query-safety controls. Because the affected product is no longer supported, deployment environments may lack maintenance updates or compensating protections.
The vulnerability occurs in the Registration component, specifically the registerform1.php endpoint, when submitted values such as names, gender, birth date, state, and city details are incorporated into mysql_query. The risk is greatest when the endpoint is remotely accessible and request data reaches the database layer without parameterization or equivalent query-safety controls. Because the affected product is no longer supported, deployment environments may lack maintenance updates or compensating protections.
Exploit preconditions
- Attack surface: Remote HTTP request to the Registration component
- Required access: Ability to reach and submit the registration form; authentication may not be required if registration is publicly available
- Trigger point: Processing of one or more registration fields by
source/registerform1.php - Why exploitation is possible: User-controlled values are incorporated into a database query in a way that may allow input to influence SQL interpretation
- Attack surface: Remote HTTP request to the Registration component
- Required access: Ability to reach and submit the registration form; authentication may not be required if registration is publicly available
- Trigger point: Processing of one or more registration fields by
source/registerform1.php - Why exploitation is possible: User-controlled values are incorporated into a database query in a way that may allow input to influence SQL interpretation
Why this happens
The underlying issue is an unsafe boundary between untrusted form input and SQL query construction. The application uses the legacy mysql_query database interface without reliably binding submitted values as data, allowing specially crafted input to alter the intended query structure. This maps primarily to CWE-89: Improper Neutralization of Special Elements used in an SQL Command (SQL Injection); CWE-74 broadly describes the failure to neutralize special elements in an interpreted command.
The underlying issue is an unsafe boundary between untrusted form input and SQL query construction. The application uses the legacy mysql_query database interface without reliably binding submitted values as data, allowing specially crafted input to alter the intended query structure. This maps primarily to CWE-89: Improper Neutralization of Special Elements used in an SQL Command (SQL Injection); CWE-74 broadly describes the failure to neutralize special elements in an interpreted command.
Potential impact
- An attacker may read sensitive recruitment or applicant information.
- Database records may be altered, deleted, or inserted without authorization.
- Application authentication or authorization data could be affected.
- The database service or connected application may experience disruption.
- In some deployment configurations, broader compromise could follow from excessive database privileges.
- An attacker may read sensitive recruitment or applicant information.
- Database records may be altered, deleted, or inserted without authorization.
- Application authentication or authorization data could be affected.
- The database service or connected application may experience disruption.
- In some deployment configurations, broader compromise could follow from excessive database privileges.
General mitigation guidance
Mitigation generally focuses on keeping submitted values separate from SQL command structure and reducing the trust placed in request data.
Common defensive patterns include:
- Use parameterized queries or prepared statements for every database operation.
- Replace legacy database interfaces with maintained APIs that support safe parameter binding.
- Apply allowlist-based validation for fields with constrained formats, while treating validation as a complement to query parameterization.
- Use least-privilege database accounts limited to the operations required by the application.
- Avoid exposing detailed database errors to users and centralize safe error handling.
- Add server-side authorization checks and integrity controls around registration data.
- Where ongoing maintenance is unavailable, isolate the application and place compensating controls such as monitored request filtering at the boundary.
Mitigation generally focuses on keeping submitted values separate from SQL command structure and reducing the trust placed in request data.
Common defensive patterns include:
- Use parameterized queries or prepared statements for every database operation.
- Replace legacy database interfaces with maintained APIs that support safe parameter binding.
- Apply allowlist-based validation for fields with constrained formats, while treating validation as a complement to query parameterization.
- Use least-privilege database accounts limited to the operations required by the application.
- Avoid exposing detailed database errors to users and centralize safe error handling.
- Add server-side authorization checks and integrity controls around registration data.
- Where ongoing maintenance is unavailable, isolate the application and place compensating controls such as monitored request filtering at the boundary.
How teams detect issues like this
Detection can combine code analysis, runtime monitoring, and database activity review:
- Use static analysis rules to identify string concatenation or interpolation of request parameters in SQL calls.
- Review code paths involving
mysql_query, dynamic SQL construction, and registration fields. - Inspect web and application logs for unusual metacharacters, repeated query errors, abnormal response sizes, or unexpected database exceptions.
- Monitor database audit logs for anomalous reads, schema changes, bulk modifications, and activity from the application account outside normal workflows.
- Enforce code-review and CI policies that require parameterized queries and reject newly introduced raw SQL concatenation.
- Neutral automated security-review tools may help identify unsafe data-to-query flows, but findings should be validated against the application's actual execution paths.
Detection can combine code analysis, runtime monitoring, and database activity review:
- Use static analysis rules to identify string concatenation or interpolation of request parameters in SQL calls.
- Review code paths involving
mysql_query, dynamic SQL construction, and registration fields. - Inspect web and application logs for unusual metacharacters, repeated query errors, abnormal response sizes, or unexpected database exceptions.
- Monitor database audit logs for anomalous reads, schema changes, bulk modifications, and activity from the application account outside normal workflows.
- Enforce code-review and CI policies that require parameterized queries and reject newly introduced raw SQL concatenation.
- Neutral automated security-review tools may help identify unsafe data-to-query flows, but findings should be validated against the application's actual execution paths.
Sources
| Source | Link |
|---|---|
| github. | github.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
| vuldb. | vuldb.com/ |
