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CVE-2021-32682

Status Candidate

Overview

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Several vulnerabilities affect elFinder 2.1.58. These vulnerabilities can allow an attacker to execute arbitrary code and commands on the server hosting the elFinder PHP connector, even with minimal configuration. The issues were patched in version 2.1.59. As a workaround, ensure the connector is not exposed without authentication.

Related Files

elFinder Archive Command Injection
Posted Sep 15, 2021
Authored by Shelby Pace, Thomas Chauchefoin | Site metasploit.com

elFinder versions below 2.1.59 are vulnerable to a command injection vulnerability via its archive functionality. When creating a new zip archive, the name parameter is sanitized with the escapeshellarg() php function and then passed to the zip utility. Despite the sanitization, supplying the -TmTT argument as part of the name parameter is still permitted and enables the execution of arbitrary commands as the www-data user.

tags | exploit, arbitrary, php
advisories | CVE-2021-32682
SHA-256 | eefba941559b0ed45889286a43dda93328d3b84159ce379897131f28b557f0ba
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