CVE-2024-37477 in Newspack Content Converter Plugin
Summary
by MITRE • 11/01/2024
Missing Authorization vulnerability in Automattic Newspack Content Converter allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Newspack Content Converter: from n/a through 0.1.5.
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Analysis
by VulDB Data Team • 11/01/2024
The CVE-2024-37477 vulnerability represents a critical missing authorization flaw within the Automattic Newspack Content Converter plugin, which operates under the broader context of content management system security. This vulnerability stems from incorrectly configured access control security levels that permit unauthorized users to exploit functionality they should not have access to. The affected version range spans from an unspecified initial state through version 0.1.5, indicating that the issue has persisted across multiple iterations of the plugin's development lifecycle. The Newspack Content Converter is designed to facilitate content migration and conversion processes for WordPress-based publishing platforms, making it a crucial component in the digital publishing ecosystem where proper access controls are paramount for maintaining system integrity and data security.
This technical flaw manifests as a failure in the plugin's authorization mechanisms, where the system does not properly verify user permissions before granting access to sensitive functions or data. The vulnerability allows malicious actors to bypass intended access controls that should restrict certain operations to authenticated administrators or authorized personnel only. The misconfiguration occurs at the application level where access control checks are either absent, improperly implemented, or can be easily circumvented through predictable patterns or insufficient validation of user credentials and roles. This type of vulnerability directly maps to CWE-285, which specifically addresses improper authorization within software systems, and falls under the ATT&CK technique T1078 for Valid Accounts and T1548.002 for Abusing Cloud Instance Metadata, as unauthorized access could potentially lead to broader system compromise through the exploitation of legitimate user credentials or misconfigured cloud resources.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it could enable attackers to manipulate content conversion processes, potentially leading to data corruption, information disclosure, or even the complete compromise of the publishing platform. When an attacker successfully exploits this missing authorization check, they could perform operations such as converting content without proper permissions, accessing restricted conversion settings, or potentially injecting malicious content during the conversion process. This vulnerability is particularly dangerous in environments where Newspack Content Converter is used for sensitive content management, as it could allow attackers to modify or extract confidential information from the content conversion workflows. The risk is amplified because content conversion processes often involve handling large volumes of data that may contain proprietary information, user data, or sensitive publishing materials that should remain protected from unauthorized access.
Mitigation strategies for CVE-2024-37477 should focus on implementing robust access control measures that properly validate user permissions before allowing any privileged operations. System administrators should immediately update to the latest version of the Newspack Content Converter plugin where this vulnerability has been addressed through proper authorization enforcement mechanisms. The fix typically involves implementing comprehensive access control checks that verify user roles and permissions against the specific actions being requested, ensuring that only authorized personnel can perform sensitive conversion operations. Organizations should also conduct thorough security reviews of their content management systems to identify similar authorization gaps in other plugins or components, as this type of vulnerability often indicates broader security misconfigurations. Additionally, implementing network segmentation, monitoring access logs for unauthorized attempts, and establishing proper user role management practices can help reduce the attack surface and provide defense-in-depth measures against similar authorization flaws that could be exploited through different vectors within the publishing infrastructure.