Exploit for Missing Authentication for Critical Function in F5 Big-Ip Access Policy Manager

## https://sploitus.com/exploit?id=4BCD0C00-FF00-543D-AFF4-90413FB8297D
# Nuclei Template CVE-2022-1388 BIG-IP iControl REST Exposed
* [ May 06, 2022 ] This only verifies the presence of the API by hitting the authentication endpoint 

This vulnerability may allow an unauthenticated attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system commands, create or delete files, or disable services. There is no data plane exposure; this is a control plane issue only.

![print](https://user-images.githubusercontent.com/17049332/166927576-81370d09-bfbf-48f5-9df3-f6f234684d4d.png)



### This template is a simple check
Send request:
- path 
  - {{BaseURL}}/mgmt/shared/authn/login
- matchers:
  - words:
      - "resterrorresponse"
      - "message"
  - status code:
    - 401

### POC Manual
```
curl -sk --max-time 2 "https://{TARGET}/mgmt/shared/authn/login" | egrep  "message|resterrorresponse" | jq
```
```json
{
    "code": 401,
    "message": "Authorization failed: no user authentication header or token detected. Uri:http://localhost:8100/mgmt/shared/authn/login   Referrer:xxx.xxx.177.228 Sender:xxx.xxx.177.228",
    "referer": "xxx.xxx.177.228",
    "restOperationId": 1461894338,
    "kind": ":resterrorresponse"
}
```

### Additional Details
- https://www.shodan.io/search?query=http.title%3A%22BIG-IP%26reg%3B-+Redirect%22

### References
- https://twitter.com/1ZRR4H/status/1522165718975922178
- https://support.f5.com/csp/article/K23605346
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-1388
- https://clouddocs.f5.com/products/big-iq/mgmt-api/v5.4/ApiReferences/bigiq_api_ref/r_auth_login.html
- https://github.com/tenable/audit_files/tree/master/cve-2022-1388
- https://thehackernews.com/2022/05/f5-warns-of-new-critical-big-ip-remote.html