Os Command Injection Labs

OS command injection allows an attacker to execute arbitrary operating system (OS) commands on the server that is running an application, and typically fully compromise the application and all its data. OS command injection, simple case This lab contains an OS command injection vulnerability in the product stock checker. The application executes a shell command containing user-supplied product and store IDs, and returns the raw output from the command in its response. ...

June 10, 2022 · 4 min · 771 words · Jesus Lujan

HackTheBox Lame

Enumeración System IP: 10.10.10.3 Matriz de la maquina Esta matriz nos muestra las características de explotación de la maquina. Enumeración de servicios Server IP Address Ports Open 10.10.10.3 TCP: 21,22,139,445,3632 Nmap Scan Resultados: Usando el siguiente comando para enumerar las versiones y servicios que corren en cada puerto luego de hacer un escaneo de puertos abiertos. nmap -A -n -Pn -p21,22,139,445,3632 10.10.10.3 Host discovery disabled (-Pn). All addresses will be marked 'up' and scan times will be slower. Starting Nmap 7.91 ( https://nmap.org ) at 2021-08-28 21:12 EDT Nmap scan report for 10.10.10.3 Host is up (0.12s latency). PORT STATE SERVICE VERSION 21/tcp open ftp vsftpd 2.3.4 |_ftp-anon: Anonymous FTP login allowed (FTP code 230) | ftp-syst: | STAT: | FTP server status: | Connected to 10.10.14.2 | Logged in as ftp | TYPE: ASCII | No session bandwidth limit | Session timeout in seconds is 300 | Control connection is plain text | Data connections will be plain text | vsFTPd 2.3.4 - secure, fast, stable |_End of status 22/tcp open ssh OpenSSH 4.7p1 Debian 8ubuntu1 (protocol 2.0) | ssh-hostkey: | 1024 60:0f:cf:e1:c0:5f:6a:74:d6:90:24:fa:c4:d5:6c:cd (DSA) |_ 2048 56:56:24:0f:21:1d:de:a7:2b:ae:61:b1:24:3d:e8:f3 (RSA) 139/tcp open netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP) 445/tcp open netbios-ssn Samba smbd 3.0.20-Debian (workgroup: WORKGROUP) 3632/tcp open distccd distccd v1 ((GNU) 4.2.4 (Ubuntu 4.2.4-1ubuntu4)) Service Info: OSs: Unix, Linux; CPE: cpe:/o:linux:linux_kernel Identificación de vulnerabilidades Como podemos observar, en el puerto 445 corre la version 3.0.20 de samba, entonces hacemos una búsqueda en searchsploit con el comando searchsploit samba 3.0.20. ...

September 8, 2021 · 3 min · 582 words · Jesus Lujan