CVE-2022-2392 in Lana Downloads Manager Plugin
Summary
by MITRE • 08/22/2022
The Lana Downloads Manager WordPress plugin before 1.8.0 is affected by an arbitrary file download vulnerability that can be exploited by users with "Contributor" permissions or higher.
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Analysis
by VulDB Data Team • 09/24/2022
The CVE-2022-2392 vulnerability represents a critical security flaw in the Lana Downloads Manager WordPress plugin that exposes systems to unauthorized file access. This vulnerability specifically affects versions prior to 1.8.0 and creates a significant risk for WordPress installations that utilize this plugin. The flaw allows attackers with Contributor-level permissions or higher to exploit the system and download arbitrary files from the server, potentially compromising sensitive data and system integrity. The vulnerability stems from insufficient input validation and access control mechanisms within the plugin's file download functionality, creating an attack vector that bypasses normal security boundaries.
The technical implementation of this vulnerability resides in the plugin's handling of file download requests where user input is not properly sanitized or validated before being processed. Attackers can manipulate the download parameters to target files outside of the intended download directory, potentially accessing configuration files, database credentials, wp-config.php, or other sensitive system files. This arbitrary file download capability operates through a path traversal mechanism that allows attackers to navigate the file system and retrieve files that should normally be restricted to administrators or system users. The vulnerability is particularly dangerous because it requires minimal privileges to exploit, making it accessible to users who typically have limited access rights within a WordPress environment.
The operational impact of CVE-2022-2392 extends beyond simple data theft, as successful exploitation can lead to complete system compromise and potential lateral movement within network environments. An attacker who gains access to sensitive files through this vulnerability can extract database credentials, plugin configurations, or other system information that may enable further attacks against the WordPress installation or underlying infrastructure. The vulnerability also creates opportunities for attackers to download malicious files onto the server, potentially leading to persistent backdoors or additional compromise vectors. This risk is amplified when the WordPress installation contains multiple plugins or themes that may have their own vulnerabilities, creating a chain reaction of potential exploitation opportunities.
Organizations affected by this vulnerability should immediately update to version 1.8.0 or later of the Lana Downloads Manager plugin to remediate the arbitrary file download flaw. System administrators should also conduct thorough audits of all WordPress installations to identify potentially vulnerable plugins and ensure that all software components are running the latest security patches. Network monitoring should be enhanced to detect unusual file access patterns or download activities that may indicate exploitation attempts. The vulnerability aligns with CWE-22 Path Traversal and CWE-200 Information Exposure categories, while also mapping to ATT&CK techniques related to credential access and privilege escalation through software exploitation. Regular security assessments and vulnerability scanning should be implemented to identify similar flaws in other WordPress plugins and themes that may present similar risks to organizations relying on WordPress for their web presence.