Law Writeup - Proving Grounds
Intermediate Linux box exploiting CVE-2022-35914 in an exposed htmLawed test page for a www-data shell, then escalating to root via a writable cron script.
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Intermediate Linux box exploiting CVE-2022-35914 in an exposed htmLawed test page for a www-data shell, then escalating to root via a writable cron script.
Intermediate Linux box where an exposed .git history leaks database credentials used to reset SOPlanning's admin hash, unlocking CVE-2024-27114 for a shell, then a leaky cron job and a writable sudo script give root.
Intermediate Linux box where a Spring Boot API leaks every user's password in plaintext for SSH access, then escalated to root by pushing a malicious script into a git repo a root cron job pulls and executes.
Intermediate Linux box running Laravel 8.4.0 with open registration, exploited by enabling debug mode and firing the CVE-2021-3129 Ignition log-poisoning RCE for a www-data shell, then escalated through a cron-executed artisan file and a scoped sudo Composer rule to root.
Intermediate Linux box exploiting CVE-2023-27163, an unauthenticated command injection in Maltrail's login endpoint, then escalating to root through a world-writable backup script run by cron.
Intermediate Linux box running SeaCMS behind a randomized admin slug, where FTP logs leak both the slug and an LFI or SQLi path to the same SSH credential, then a cron job that blindly swaps binaries in /bin combined with a sudo NOPASSWD rule plants a SUID shell as root.
Intermediate Linux box running Gitea 1.7.5 with open registration, exploited via the CVE-2019-11229 Git hook RCE to plant an SSH key, then escalated to root through a writable /usr/local/bin ahead of the cron PATH.
Intermediate Linux box where anonymous FTP write access and an unauthenticated Redis instance combine for code execution via Redis MODULE LOAD, then a shared-object hijack of a root cron job's LD_LIBRARY_PATH for root.
Hard Linux box chaining a file upload with an LFI via the zip:// wrapper for a www-data shell, then abusing a 7z wildcard in a root cron job to leak a secret that doubles as the root password.
Easy Linux box running Apache APISIX 2.8, exploited with CVE-2022-24112 for a low-privileged shell, then escalated to root through an APT Update Pre-Invoke hook in a writable apt.conf.d run by a root cron job.
Exploiting an outdated WordPress installation on a Linux box via SSH enumeration, privilege escalation through a writable bash history and SUID binaries.
Linux box rooted via SQLi authentication bypass in Subrion CMS, exploiting a file upload vulnerability to gain RCE, then leveraging a cronjob for privilege escalation.
Exploit Flask debug RCE on port 5000, enumerate SMB-like file API, upload reverse shell, then abuse writable /etc/passwd for root escalation.
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