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RegistryTwo is a very difficult machine focusing on exploiting Java applications. Htb-registrytwo ctf hackthebox nmap ubuntu ffuf vhosts nginx java war feroxbuster docker docker-registry youtube dockerregistrygrabber catalina tomcat jd-gui reverse-enginering rmi java-rmi breaking-parser-logic tomcat-examples tomcat-session file-read mass-assignment null-byte update-alternatives docker-host-network idea-ide java-jar pspy recaf python clamav ipv6 htb-registry I’ll convert it to OpenSSH format and get root access. I’ll exploit CVE-2022-32784 to get the master password from the dump, which provides access to a root SSH key in Putty format. That user is troubleshooting a KeePass issue with a memory dump.
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I’ll use default creds to get into the RT instance and find creds for a user in their profile. Keeper is a relatively simple box focused on a helpdesk running Request Tracker and with an admin using KeePass. Htb-keeper hackthebox ctf nmap request-tracker default-creds keepass cve-2022-32784 dotnet dotnet-linux docker chatgpt kpcli putty puttygen And third by having the pipeline leak the key back to me. Second, using it to SSH into the host and finding a copy there. First, dumping an encrypted version from the admin panel. From in Jenkins, I’ll find a saved SSH key and show three paths to recover it. I’ll show how to exploit the vulnerability, explore methods to get the most of a file possible, find a password hash for the admin user and crack it to get access to Jenkins. It allows for partial file read and can lead to remote code execution. I’ll show that, as well as two ways to get RCE via an unintended SQL injection.Ĭtf hackthebox htb-builder cve-2024-23897 file-read jenkins jenkins-cli youtube hashcat bcrypt jenkins-credentials jenkins-sshagent jenkins-pipelineīuilder is a neat box focused on a recent Jenkins vulnerability, CVE-2024-23897. For root, there’s a command line client binary that has a buffer overflow. In these backups, I’ll find hashes for another use and crack them to get their password. From there I’ll access a Gitea instance and use the creds to get access to a backup script and the password for site backups. I’ll abuse an IDOR vulnerability to get access to the administrator’s files and leak some creds providing SSH access. Hackthebox htb-drive ctf ubuntu nmap django idor feroxbuster ffuf gitea sqlite sqli sqlite-injection sqlite-rce hashcat ghidra reverse-engineering format-string canary bof pwntools filter gdb peda ropperĭrive has a website that provides cloud storage. This service is running without SeImpersonate privileges, but I’ll use the FullPower executable to recover this, and then GodPotato to get System. From there, I’ll drop a webshell into the XAMPP web root to get a shell as local service. I’ll stand up a Gitea server in a container and host a project with a pre-build action that runs a command and gets a shell. There’s a website that takes a hosted Git URL and loads a Visual Studio project from the URL and compiles it. Visual is all about abusing a Visual Studio build process. Hackthebox htb-visual ctf nmap windows php xampp feroxbuster visual-studio csharp gitea docker dotnet dotnet-linux php-webshell webshell fullpowers seimpersonate godpotato From there, I’ll abuse sudo ssh with the Prox圜ommand option to get root. I’ll pull database creds from the Java Jar file and use them to get the admin’s hash on the websiteįrom Postgres, which is also the user’s password on the box. Once there, I’ll find command injection in a admin feature to get a foothold. I’ll find a Spring Boot Actuator path that leaks the session id of a logged in user, and use that to get access to the site. Hackthebox ctf htb-cozyhosting nmap ubuntu java spring-boot spring-boot-actuator feroxbuster command-injection bash-ifs bash-brace-expansion whitespace-filter burp burp-repeater postgresql jar jd-gui hashcat gtfobins ssh-proxycommandĬozyHosting is a web hosting company with a website running on Java Spring Boot.