Missing Authorization in Peach Payments Gateway wc-peach-payments-gateway

Executive Summary

This vulnerability is a Missing Authorization issue in the Peach Payments Gateway plugin (wc-peach-payments-gateway) up to version 4.0.2. It allows attackers to exploit incorrectly configured access control security levels, meaning that certain actions or data may be accessible without proper permission checks.

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Detection Guidance

The provided CVE data does not include specific detection methods or commands for identifying the Missing Authorization vulnerability in the Peach Payments Gateway plugin (wc-peach-payments-gateway).

However, you can check for the presence of the vulnerable plugin version by inspecting your WordPress installation. The vulnerability affects versions up to and including 4.0.2.

• Navigate to the WordPress admin dashboard, then go to 'Plugins' to see if 'Peach Payments Gateway' is installed and note its version.
• Alternatively, you can check the plugin directory directly via command line: ls -la /path/to/wordpress/wp-content/plugins/wc-peach-payments-gateway/
• Review the plugin's readme.txt or main PHP file for version information: grep 'Version:' /path/to/wordpress/wp-content/plugins/wc-peach-payments-gateway/readme.txt

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Impact Analysis

The vulnerability can lead to unauthorized actions or changes within the Peach Payments Gateway system. According to the CVSS score of 6.5, it has a network attack vector with low attack complexity and no privileges or user interaction required. While it does not impact confidentiality, it can impact integrity and availability, potentially allowing attackers to alter data or disrupt services.

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Compliance Impact

This vulnerability involves a missing authorization check in the Peach Payments Gateway plugin, which could allow unauthorized access to sensitive functions or data. This type of issue may impact compliance with several standards and regulations depending on the context of the affected system.

• GDPR: If the vulnerability leads to unauthorized access to personal data of EU citizens, it could violate GDPR requirements for data protection and access control. GDPR mandates that organizations implement appropriate technical measures to ensure data security and prevent unauthorized access.
• HIPAA: If the affected system processes or stores protected health information (PHI), this vulnerability could result in non-compliance with HIPAA's Security Rule, which requires access controls to safeguard PHI from unauthorized disclosure or modification.
• PCI DSS: Since the vulnerability is in a payment gateway, it may affect compliance with PCI DSS requirements, particularly those related to access control (Requirement 7) and secure system configurations (Requirement 2). Unauthorized access to payment processing functions could lead to data breaches or fraud.

The CVSS vector indicates low confidentiality impact (C:N), meaning the vulnerability may not directly expose sensitive data, but the integrity and availability impacts (I:L/A:L) suggest that unauthorized modifications or disruptions could occur, which may still have compliance implications.

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Mitigation Strategies

Based on the CVE description, the vulnerability involves incorrect access control configuration in the Peach Payments Gateway plugin. Immediate steps to mitigate the risk include:

• Update the plugin to the latest version if a patched version is available. The CVE states the issue affects versions up to and including 4.0.2, so check for updates beyond this version.
• If no patched version is available, consider disabling the plugin temporarily until a fix is released to prevent potential exploitation.
• Review and restrict access to the plugin's functionality by implementing proper authorization checks at the server or application level if possible.
• Monitor network traffic and logs for any unusual activity related to the plugin's endpoints or payment processing functions.

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