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Modify isAdditionalTaintStep

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haby0
2021-07-27 10:59:38 +08:00
parent 291ca3830a
commit 00f13e1e6e
5 changed files with 87 additions and 168 deletions
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16
java/ql/test/experimental/query-tests/security/CWE-470/UnsafeReflection.expected
View File

@@ -7,10 +7,10 @@ edges
| UnsafeReflection.java:39:13:39:38 | getDeclaredMethods(...) : Method[] | UnsafeReflection.java:39:13:39:41 | ...[...] |
| UnsafeReflection.java:46:24:46:82 | beanIdOrClassName : String | UnsafeReflection.java:53:30:53:46 | beanIdOrClassName : String |
| UnsafeReflection.java:53:30:53:46 | beanIdOrClassName : String | UnsafeReflection.java:104:34:104:57 | beanIdOrClassName : String |
| UnsafeReflection.java:104:34:104:57 | beanIdOrClassName : String | UnsafeReflection.java:119:44:119:52 | beanClass : Class |
| UnsafeReflection.java:104:34:104:57 | beanIdOrClassName : String | UnsafeReflection.java:132:33:132:38 | method |
| UnsafeReflection.java:119:24:119:53 | getBean(...) : Object | UnsafeReflection.java:132:33:132:38 | method |
| UnsafeReflection.java:119:44:119:52 | beanClass : Class | UnsafeReflection.java:119:24:119:53 | getBean(...) : Object |
| UnsafeReflection.java:104:34:104:57 | beanIdOrClassName : String | UnsafeReflection.java:109:31:109:39 | beanClass : Class |
| UnsafeReflection.java:104:34:104:57 | beanIdOrClassName : String | UnsafeReflection.java:119:21:119:26 | method |
| UnsafeReflection.java:109:11:109:40 | getBean(...) : Object | UnsafeReflection.java:119:21:119:26 | method |
| UnsafeReflection.java:109:31:109:39 | beanClass : Class | UnsafeReflection.java:109:11:109:40 | getBean(...) : Object |
nodes
| UnsafeReflection.java:21:28:21:60 | getParameter(...) : String | semmle.label | getParameter(...) : String |
| UnsafeReflection.java:25:29:25:59 | getDeclaredConstructors(...) : Constructor[] | semmle.label | getDeclaredConstructors(...) : Constructor[] |
@@ -21,10 +21,10 @@ nodes
| UnsafeReflection.java:46:24:46:82 | beanIdOrClassName : String | semmle.label | beanIdOrClassName : String |
| UnsafeReflection.java:53:30:53:46 | beanIdOrClassName : String | semmle.label | beanIdOrClassName : String |
| UnsafeReflection.java:104:34:104:57 | beanIdOrClassName : String | semmle.label | beanIdOrClassName : String |
| UnsafeReflection.java:119:24:119:53 | getBean(...) : Object | semmle.label | getBean(...) : Object |
| UnsafeReflection.java:119:44:119:52 | beanClass : Class | semmle.label | beanClass : Class |
| UnsafeReflection.java:132:33:132:38 | method | semmle.label | method |
| UnsafeReflection.java:109:11:109:40 | getBean(...) : Object | semmle.label | getBean(...) : Object |
| UnsafeReflection.java:109:31:109:39 | beanClass : Class | semmle.label | beanClass : Class |
| UnsafeReflection.java:119:21:119:26 | method | semmle.label | method |
#select
| UnsafeReflection.java:25:29:25:62 | ...[...] | UnsafeReflection.java:21:28:21:60 | getParameter(...) : String | UnsafeReflection.java:25:29:25:62 | ...[...] | Unsafe reflection of $@. | UnsafeReflection.java:21:28:21:60 | getParameter(...) | user input |
| UnsafeReflection.java:39:13:39:41 | ...[...] | UnsafeReflection.java:33:28:33:60 | getParameter(...) : String | UnsafeReflection.java:39:13:39:41 | ...[...] | Unsafe reflection of $@. | UnsafeReflection.java:33:28:33:60 | getParameter(...) | user input |
| UnsafeReflection.java:132:33:132:38 | method | UnsafeReflection.java:46:24:46:82 | beanIdOrClassName : String | UnsafeReflection.java:132:33:132:38 | method | Unsafe reflection of $@. | UnsafeReflection.java:46:24:46:82 | beanIdOrClassName | user input |
| UnsafeReflection.java:119:21:119:26 | method | UnsafeReflection.java:46:24:46:82 | beanIdOrClassName : String | UnsafeReflection.java:119:21:119:26 | method | Unsafe reflection of $@. | UnsafeReflection.java:46:24:46:82 | beanIdOrClassName | user input |

96
java/ql/test/experimental/query-tests/security/CWE-470/UnsafeReflection.java
View File

@@ -103,78 +103,42 @@ public class UnsafeReflection {
private Object invokeService(String beanIdOrClassName, String methodName, MultipartFile[] files, List<Object> data) throws Exception {
BeanFactory beanFactory = new BeanFactory();
try {
Object bean = null;
String beanName = null;
Class<?> beanClass = null;
try {
beanClass = Class.forName(beanIdOrClassName);
beanName = StringUtils.uncapitalize(beanClass.getSimpleName());
} catch (ClassNotFoundException classNotFoundException) {
beanName = beanIdOrClassName;
}
try {
bean = beanFactory.getBean(beanName);
} catch (BeansException beansException) {
bean = beanFactory.getBean(beanClass);
}
byte b;
int i;
Method[] arrayOfMethod;
for (i = (arrayOfMethod = bean.getClass().getMethods()).length, b = 0; b < i; ) {
Method method = arrayOfMethod[b];
if (!method.getName().equals(methodName)) {
b++;
continue;
}
ProxygenSerializer serializer = new ProxygenSerializer();
Object[] methodInput = serializer.deserializeMethodInput(data, files, method);
Object result = method.invoke(bean, methodInput);
Map<String, Object> map = new HashMap<>();
map.put("result", serializer.serialize(result));
return map;
}
} catch (Exception e) {
return e;
}
return null;
try {
Object bean = null;
Class<?> beanClass = Class.forName(beanIdOrClassName);
bean = beanFactory.getBean(beanClass);
byte b;
int i;
Method[] arrayOfMethod;
for (i = (arrayOfMethod = bean.getClass().getMethods()).length, b = 0; b < i; ) {
Method method = arrayOfMethod[b];
if (!method.getName().equals(methodName)) {
b++;
continue;
}
Object result = method.invoke(bean, data);
Map<String, Object> map = new HashMap<>();
return map;
}
} catch (Exception e) {
return e;
}
return null;
}
}
class BeansException extends Exception {
}
class BeanFactory {
private static HashMap<String, Object> classNameMap = new HashMap<>();
private static HashMap<String, Object> classNameMap = new HashMap<>();
private static HashMap<Class<?>, Object> classMap = new HashMap<>();;
private static HashMap<Class<?>, Object> classMap = new HashMap<>();
static {
classNameMap.put("xxxx", Runtime.getRuntime());
classMap.put(Runtime.class, Runtime.getRuntime());
}
static {
classNameMap.put("xxxx", Runtime.getRuntime());
classMap.put(Runtime.class, Runtime.getRuntime());
}
public Object getBean(String className) throws BeansException {
if (classNameMap.get(className) == null) {
throw new BeansException();
}
return classNameMap.get(className);
}
public Object getBean(Class<?> clzz) {
return classMap.get(clzz);
}
}
class ProxygenSerializer {
public Object[] deserializeMethodInput(List<Object> data, MultipartFile[] files, Method method) {
return null;
}
public String serialize(Object result) {
return null;
}
public Object getBean(Class<?> clzz) {
return classMap.get(clzz);
}
}