Unitrends Backup (UB) versions prior to 10.1.0 are vulnerable to an authentication bypass due to a SQL injection flaw in the libbpext.so component. A remote attacker can exploit this vulnerability to bypass authentication mechanisms, place a privilege escalation exploit on the target system, and subsequently execute arbitrary commands with elevated privileges.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit module: 'Unitrends Enterprise Backup bpserverd Privilege Escalation'. The exploit targets Unitrends Enterprise Backup (UEB) versions 10.0 and below, specifically abusing a vulnerability in the bpserverd service exposed via xinetd (CVE-2018-6329). The module works by generating a payload executable, writing it to a writable directory (default: /tmp), and then dropping a Python script that connects to the local bpserverd service (default port 1743). The Python script crafts a protocol packet to bypass authentication and instructs bpserverd to execute the payload as root, resulting in privilege escalation. The exploit is operational and provides root access if successful. The repository is structured as a standard Metasploit module, written in Ruby, and includes embedded Python code for the local privilege escalation logic. No external network endpoints are targeted; the attack is performed locally on the target system.
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