Host Validation Bypass via Connection State Attack: Multiple Requests Over the Same TCP Connection
2025-7-28 06:3:17 Author: infosecwriteups.com(查看原文) 阅读量:19 收藏

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Host Validation Bypass via Connection State Attack

Disclaimer:
The techniques described in this document are intended solely for ethical use and educational purposes. Unauthorized use of these methods outside approved environments is strictly prohibited, as it is illegal, unethical, and may lead to severe consequences.

It is crucial to act responsibly, comply with all applicable laws, and adhere to established ethical guidelines. Any activity that exploits security vulnerabilities or compromises the safety, privacy, or integrity of others is strictly forbidden.

  1. Summary of the Vulnerability
  2. Steps to Reproduce & Proof of Concept (PoC)
  3. Impact

In this specific scenario, the front-end server uses connection-based assumptions to validate the Host header. It analyzes only the first HTTP request in a persistent connection (usually with Connection: keep-alive) to determine if the Host header is valid.


文章来源: https://infosecwriteups.com/host-validation-bypass-via-connection-state-attack-multiple-requests-over-the-same-tcp-connection-9fc2406d2fe1?source=rss----7b722bfd1b8d--bug_bounty
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