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Fix error SQL injection level 4 #236

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Fix error SQL injection level 4 #236

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16 changes: 9 additions & 7 deletions ...org/sasanlabs/service/vulnerability/sqlInjection/ErrorBasedSQLInjectionVulnerability.java
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Original file line number Diff line number Diff line change
Expand Up @@ -200,16 +200,16 @@ public ResponseEntity<String> doesCarInformationExistsLevel3(
htmlTemplate = "LEVEL_1/SQLInjection_Level1")
public ResponseEntity<String> doesCarInformationExistsLevel4(
@RequestParam Map<String, String> queryParams) {
final String id = queryParams.get(Constants.ID).replaceAll("'", "");
final String id = queryParams.get(Constants.ID);
BodyBuilder bodyBuilder = ResponseEntity.status(HttpStatus.OK);
bodyBuilder.body(ErrorBasedSQLInjectionVulnerability.CAR_IS_NOT_PRESENT_RESPONSE);
try {
ResponseEntity<String> response =
applicationJdbcTemplate.query(
(conn) ->
conn.prepareStatement(
"select * from cars where id='" + id + "'"),
(ps) -> {},
(conn) -> conn.prepareStatement("select * from cars where id=?"),
(prepareStatement) -> {
prepareStatement.setString(1, id);
},
(rs) -> {
if (rs.next()) {
CarInformation carInformation = new CarInformation();
Expand All @@ -225,7 +225,8 @@ public ResponseEntity<String> doesCarInformationExistsLevel4(
} catch (JsonProcessingException e) {
LOGGER.error("Following error occurred", e);
return bodyBuilder.body(
GENERIC_EXCEPTION_RESPONSE_FUNCTION.apply(e));
ErrorBasedSQLInjectionVulnerability
.CAR_IS_NOT_PRESENT_RESPONSE);
}
} else {
return bodyBuilder.body(
Expand All @@ -237,7 +238,8 @@ public ResponseEntity<String> doesCarInformationExistsLevel4(
return response;
} catch (Exception ex) {
LOGGER.error("Following error occurred", ex);
return bodyBuilder.body(GENERIC_EXCEPTION_RESPONSE_FUNCTION.apply(ex));
return bodyBuilder.body(
ErrorBasedSQLInjectionVulnerability.CAR_IS_NOT_PRESENT_RESPONSE);
}
}

Expand Down
28 changes: 24 additions & 4 deletions ...sasanlabs/service/vulnerability/sqlInjection/ErrorBasedSQLInjectionVulnerabilityTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,11 +8,14 @@
import static org.mockito.Mockito.verify;

import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Mockito;
import org.sasanlabs.vulnerability.utils.Constants;
import org.springframework.http.HttpStatus;
Expand Down Expand Up @@ -85,10 +88,10 @@ void doesCarInformationExistsLevel3_ExpectParamEscaped() throws IOException {
}

@Test
void doesCarInformationExistsLevel4_ExpectValidResponse() {
void doesCarInformationExistsLevel4_ExpectValidResponse() throws Exception {
// Arrange
Map<String, String> queryParams = new HashMap<>();
queryParams.put(Constants.ID, "1'");
queryParams.put(Constants.ID, "#");

// Mock the response entity
ResponseEntity<String> mockResponseEntity =
Expand All @@ -107,11 +110,28 @@ void doesCarInformationExistsLevel4_ExpectValidResponse() {
// Assert
assertEquals(HttpStatus.OK, response.getStatusCode());
assertEquals("Sample response", response.getBody());

ArgumentCaptor<PreparedStatementCreator> creatorCaptor =
ArgumentCaptor.forClass(PreparedStatementCreator.class);
ArgumentCaptor<PreparedStatementSetter> setterCaptor =
ArgumentCaptor.forClass(PreparedStatementSetter.class);
verify(template)
.query(
Mockito.any(PreparedStatementCreator.class),
Mockito.any(PreparedStatementSetter.class),
creatorCaptor.capture(),
setterCaptor.capture(),
Mockito.any(ResultSetExtractor.class));

Connection connection = Mockito.mock(Connection.class);
PreparedStatement preparedStatement = Mockito.mock(PreparedStatement.class);
doReturn(preparedStatement)
.when(connection)
.prepareStatement("select * from cars where id=?");

creatorCaptor.getValue().createPreparedStatement(connection);
setterCaptor.getValue().setValues(preparedStatement);

verify(connection).prepareStatement("select * from cars where id=?");
verify(preparedStatement).setString(1, "#");
}

@Test
Expand Down