CVE-2024-8514

Comprehensive Technical Analysis of CVE-2024-8514

1. Vulnerability Assessment and Severity Evaluation

CVE ID: CVE-2024-8514

Description: The Prisna GWT – Google Website Translator plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.4.11. This vulnerability arises from the deserialization of untrusted input from the 'prisna_import' parameter. Authenticated attackers with Administrator-level access can exploit this vulnerability to inject a PHP Object.

CVSS Score: 9.1

Severity Evaluation:

• Critical: The CVSS score of 9.1 indicates a critical vulnerability. The high score is due to the potential for significant impact, including arbitrary file deletion, sensitive data retrieval, and code execution.
• Authentication Requirement: The vulnerability requires authenticated access with Administrator-level privileges, which somewhat mitigates the risk but does not eliminate it, especially in environments with multiple administrators.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Authenticated Administrator Access: An attacker with Administrator-level access can exploit the vulnerability by manipulating the 'prisna_import' parameter.
• Deserialization of Untrusted Input: The core issue is the deserialization of untrusted input, which can lead to PHP Object Injection.

Exploitation Methods:

• PHP Object Injection: By injecting a malicious PHP object, an attacker can potentially manipulate the application's behavior.
• POP Chain Exploitation: Although no known POP (Property-Oriented Programming) chain is present in the vulnerable software, if another plugin or theme with a POP chain is installed, the attacker could leverage it to perform actions such as deleting arbitrary files, retrieving sensitive data, or executing arbitrary code.

3. Affected Systems and Software Versions

Affected Software:

• Prisna GWT – Google Website Translator plugin for WordPress

Affected Versions:

• All versions up to and including 1.4.11

Platform:

• WordPress

4. Recommended Mitigation Strategies

Immediate Actions:

• Update the Plugin: Ensure that the Prisna GWT – Google Website Translator plugin is updated to a version higher than 1.4.11, where the vulnerability has been patched.
• Access Control: Limit Administrator-level access to trusted individuals only.
• Monitoring: Implement monitoring and logging to detect any suspicious activities related to the 'prisna_import' parameter.

Long-Term Strategies:

• Regular Audits: Conduct regular security audits of all installed plugins and themes to identify and mitigate potential vulnerabilities.
• Least Privilege Principle: Apply the principle of least privilege to all user accounts, ensuring that users have only the permissions necessary for their roles.
• Security Plugins: Use security plugins like Wordfence to provide additional layers of protection and monitoring.

5. Impact on Cybersecurity Landscape

Immediate Impact:

• High Risk for WordPress Sites: WordPress sites using the affected plugin are at high risk, especially if they have multiple administrators.
• Potential for Widespread Exploitation: Given the popularity of WordPress and the potential for chaining vulnerabilities, this could lead to widespread exploitation if not addressed promptly.

Long-Term Impact:

• Increased Awareness: This vulnerability highlights the importance of secure coding practices, particularly around input validation and deserialization.
• Enhanced Security Measures: It may prompt developers to implement more robust security measures and encourage users to adopt better security practices.

6. Technical Details for Security Professionals

Vulnerability Details:

• Deserialization Issue: The vulnerability stems from the deserialization of untrusted input via the 'prisna_import' parameter.
• PHP Object Injection: The injection of a PHP object can lead to various malicious activities if a POP chain is present.

Code Reference:

• Vulnerable Code: The issue is located in the admin.class.php file at line 267 in version 1.4.11.

  // Example of vulnerable code (pseudo-code)
  $data = unserialize($_POST['prisna_import']);
  

Patch Information:

• Patch Changeset: The vulnerability has been addressed in changeset 3155285.

  // Example of patched code (pseudo-code)
  $data = json_decode($_POST['prisna_import'], true);
  

References:

• Broken Link
• Patch
• Third Party Advisory

Conclusion: CVE-2024-8514 represents a critical vulnerability in the Prisna GWT – Google Website Translator plugin for WordPress. Immediate action is required to update the plugin and implement additional security measures to mitigate the risk. This vulnerability underscores the importance of secure coding practices and regular security audits in maintaining a robust cybersecurity posture.