nuclei/docs/template-example/http/http-race-conditions.mdx
2023-08-18 02:43:28 +05:30

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---
title: "Race Condition"
---
## Race condition testing with single POST request.
This template makes a defined POST request in RAW format to `/coupons` endpoint, as the `race_count`is defined as `10`, this will make 10 requests at same time by holding last bytes for all the requests which sent together for all requests synchronizing the send event.
You can also define the matcher as any other template for the expected output which helps to identify if the race condition exploit worked or not.
```yaml
id: race-condition-testing
info:
name: Race Condition testing
author: pdteam
severity: info
http:
- raw:
- |
POST /coupons HTTP/1.1
Host: {{Hostname}}
Pragma: no-cache
Cache-Control: no-cache, no-transform
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0
Cookie: user_session=42332423342987567896
promo_code=20OFF
race: true
race_count: 10
matchers:
- type: status
part: header
status:
- 200
```
## Race condition testing with multiple requests.
This template makes the defined and multiple POST requests in RAW format with `threads` sets to `5`, `threads` can be utilized in race condition templates when multiple requests needs to be sent to exploit the race condition, `threads` number should be same as the number of you are making with template and not needed if you're only making single request.
```yaml
id: race-condition-testing
info:
name: Race condition testing with multiple requests
author: pdteam
severity: info
http:
- raw:
- |
POST / HTTP/1.1
Pragma: no-cache
Host: {{Hostname}}
Cache-Control: no-cache, no-transform
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0
id=1
- |
POST / HTTP/1.1
Pragma: no-cache
Host: {{Hostname}}
Cache-Control: no-cache, no-transform
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0
id=2
- |
POST / HTTP/1.1
Pragma: no-cache
Host: {{Hostname}}
Cache-Control: no-cache, no-transform
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0
id=3
- |
POST / HTTP/1.1
Pragma: no-cache
Host: {{Hostname}}
Cache-Control: no-cache, no-transform
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0
id=4
- |
POST / HTTP/1.1
Pragma: no-cache
Host: {{Hostname}}
Cache-Control: no-cache, no-transform
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0
id=5
threads: 5
race: true
matchers:
- type: status
status:
- 200
```