HTB

ユーザフラグ nmapを試して80番開いているのでアクセスしてみます ┌──(kali㉿kali)-[~/Downloads] └─$ sudo nmap 10.10.11.243 -p- -sV -vv --open --reason [sudo] password for kali: Starting Nmap 7.94 ( https://nmap.org ) at 2024-01-30 06:03 EST NSE: Loaded 46 scripts for scanning. Initiating Ping Scan at 06:03 Scanning 10.10.11.243 [4 ports] Completed Ping Scan at 06:03, 2.30s elapsed (1 total hosts) Initiating Parallel DNS resolution of 1 host. at 06:03 Completed Parallel DNS resolution of 1 host. at 06:03, 0.01s elapsed Initiating SYN Stealth Scan at 06:03 Scanning 10.10.11.243 [65535 ports] Discovered open port 80/tcp on 10.10.11.243 Discovered open port 22/tcp on 10.10.11.243 SYN Stealth Scan Timing: About 8.56% done; ETC: 06:09 (0:05:42 remaining) SYN Stealth Scan Timing: About 8.65% done; ETC: 06:15 (0:10:55 remaining) Discovered open port 61613/tcp on 10.10.11.243 SYN Stealth Scan Timing: About 7.97% done; ETC: 06:22 (0:17:42 remaining) SYN Stealth Scan Timing: About 8.08% done; ETC: 06:28 (0:23:07 remaining) SYN Stealth Scan Timing: About 8.22% done; ETC: 06:33 (0:28:17 remaining) SYN Stealth Scan Timing: About 8.33% done; ETC: 06:39 (0:33:23 remaining) SYN Stealth Scan Timing: About 8.45% done; ETC: 06:44 (0:38:18 remaining) SYN Stealth Scan Timing: About 8.55% done; ETC: 06:50 (0:43:08 remaining) SYN Stealth Scan Timing: About 8.70% done; ETC: 06:55 (0:47:35 remaining) SYN Stealth Scan Timing: About 8.83% done; ETC: 07:00 (0:51:58 remaining) SYN Stealth Scan Timing: About 10.76% done; ETC: 06:54 (0:45:53 remaining) SYN Stealth Scan Timing: About 13.04% done; ETC: 06:49 (0:40:13 remaining) とりあえず以下のデフォルトパスワードを試してみます Username: admin Password: admin ログインができて、ActiveMQが動いていることがわかりました CVE-2023-46604のRCEの脆弱性があることがわかりました Exploitコードが公開されています https://github.com/SaumyajeetDas/CVE-2023-46604-RCE-Reverse-Shell-Apache-ActiveMQ ┌──(kali㉿kali)-[~/broker] └─$ git clone https://github.com/SaumyajeetDas/CVE-2023-46604-RCE-Reverse-Shell-Apache-ActiveMQ.git Golangが入ってなかったのでGolangをインストールします ┌──(kali㉿kali)-[~/broker/CVE-2023-46604-RCE-Reverse-Shell-Apache-ActiveMQ] └─$ sudo apt install golang-go ソースコードをビルドします ┌──(kali㉿kali)-[~/broker/CVE-2023-46604-RCE-Reverse-Shell-Apache-ActiveMQ] └─$ go build main.go ビルドができたので試しに起動します