EUVD-2023-36499

Comprehensive Technical Analysis of EUVD-2023-36499

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2023-36499 pertains to a Deserialization of Untrusted Data issue in the WoodMart - Multipurpose WooCommerce Theme. This vulnerability allows an attacker to inject malicious objects into the application, potentially leading to remote code execution (RCE). The CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a critical severity level. The scoring vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H breaks down as follows:

• Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal complexity.
• Privileges Required (PR): None (N) - No privileges are required to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required.
• Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
• Confidentiality (C): High (H) - Complete loss of confidentiality.
• Integrity (I): High (H) - Complete loss of integrity.
• Availability (A): High (H) - Complete loss of availability.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is through the deserialization of untrusted data. An attacker can exploit this by:

• Crafting Malicious Input: An attacker can send specially crafted serialized data to the application.
• Object Injection: The malicious data can be designed to inject objects that, when deserialized, execute arbitrary code.
• Remote Code Execution (RCE): The injected objects can lead to the execution of arbitrary commands on the server, allowing the attacker to take control of the system.

3. Affected Systems and Software Versions

The vulnerability affects the WoodMart - Multipurpose WooCommerce Theme versions from n/a through 1.0.36. This theme is widely used in WooCommerce-based e-commerce websites, making a large number of online stores potentially vulnerable.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following steps are recommended:

• Update to the Latest Version: Ensure that the WoodMart theme is updated to a version that addresses this vulnerability.
• Input Validation: Implement strict input validation to ensure that only trusted data is deserialized.
• Use Secure Deserialization Libraries: Utilize libraries that provide secure deserialization mechanisms.
• Monitor and Log: Implement monitoring and logging to detect any suspicious activities related to deserialization.
• Regular Security Audits: Conduct regular security audits and vulnerability assessments to identify and mitigate similar issues.

5. Impact on European Cybersecurity Landscape

The impact of this vulnerability on the European cybersecurity landscape is significant due to the widespread use of WooCommerce and the WoodMart theme in e-commerce platforms. The potential for RCE can lead to data breaches, financial loss, and reputational damage for affected businesses. The high CVSS score underscores the critical nature of this vulnerability, necessitating immediate attention from cybersecurity professionals and organizations.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Vulnerability Type: Deserialization of Untrusted Data
• Affected Component: WoodMart - Multipurpose WooCommerce Theme
• Exploitation Method: PHP Object Injection
• References:
  • Patchstack Database Entry
  • Aliases: CVE-2023-32242, GSD-2023-32242
  • Assigner: Patchstack
  • EPSS Score: 1 (indicating a low likelihood of exploitation in the wild, but this should not be a reason to ignore the vulnerability)

ENISA IDs:

• Product: WoodMart - Multipurpose WooCommerce Theme (ID: f3da1cd2-eb47-3408-ad43-f4740e88a911)
• Vendor: xtemos (ID: c4394f95-ae86-3cbb-a9e8-2f1a6f140682)

Conclusion:

The Deserialization of Untrusted Data vulnerability in the WoodMart - Multipurpose WooCommerce Theme is a critical issue that requires immediate attention. Organizations using this theme should prioritize updating to a secure version and implementing robust security measures to mitigate the risk of exploitation. The potential impact on European e-commerce platforms underscores the importance of proactive cybersecurity practices.