CVE-2019-8451 PoC — Atlassian Jira 代码问题漏洞

Description

POC to check for Jira instances vulnerable to CVE-2019-8451

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# Jira CVE-2019-8451 POC

## Description

Proof of concept scan to check if a Jira host is vulnerable to CVE-2019-8451

### CVE-2019-8451

CVE-2019-8451 is a pre-authentication server side request forgery (SSRF) vulnerability found in the /plugins/servlet/gadgets/makeRequest resource. 

This vulnerability was introduced in Jira server version 7.6.0, and fixed in versions 7.13.9 and 8.4.0.

## Requirements

Only needs the requests library.

Install with `pip3 install requests`

## Usage

```
$ ./jira-2019-8451.py -h
usage: jira-2019-8451.py [-h] [-u URL] [-c]

For checking if a Jira instance is vunlerable to CVE-2019-8451

optional arguments:
  -h, --help         show this help message and exit
  -u URL, --url URL  URL of the target Jira instance e.g. '-u
                     https://localhost:8080'
  -c, --check        Only check the Jira version; doesn't send SSRF attempt
```

## Example Output

Host probably vulnerable:
```
$ python3 jira.py -u https://localhost:8080
[-] Testing https://localhost:8080...
[-] Checking for version...
[-] Jira version appears to be: 8.3.4
[-] Sending SSRF test...
[+] Host appears to be vulnerable!
```


Host probably not vulnerable:

```
$ python3 jira.py -u https://localhost:8080
[-] Testing https://localhost:8080...
[-] Checking for version...
[-] Jira version appears to be: 8.4.1
[-] Sending SSRF test...
[!] Host doesn't appear to be vulnerable.
```

## References
 - https://www.tenable.com/blog/cve-2019-8451-proof-of-concept-available-for-server-side-request-forgery-ssrf-vulnerability-in
 - https://jira.atlassian.com/browse/JRASERVER-69793

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