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CVE-2025-67722
No affected components available
FreePBX is an open-source web-based graphical user interface (GUI) that manages Asterisk. Prior to versions 16.0.45 and 17.0.24 of the FreePBX framework, an authenticated local privilege escalation exists in the deprecated FreePBX startup script amportal. In the deprecated amportal utility, the lookup for the freepbx_engine file occurs in /etc/asterisk/ directories. Typically, these are configured by FreePBX as writable by the asterisk user and any members of the asterisk group. This means that a member of the asterisk group can add their own freepbx_engine file in /etc/asterisk/ and upon amportal executing, it would exec that file with root permissions (even though the file was created and placed by a non-root user). Version 16.0.45 and 17.0.24 contain a fix for the issue. Other mitigation strategies are also available. Confirm only trusted local OS system users are members of the asterisk group. Look for suspicious files in the /etc/asterisk/ directory (via Admin -> Config Edit in the GUI, or via CLI). Double-check that live_dangerously = no is set (or unconfigured, as the default is no) in /etc/asterisk/asterisk.conf file. Eliminate any unsafe custom use of Asterisk dial plan applications and functions that potentially can manipulate the file system, e.g., System(), FILE(), etc.
The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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