Executive Summary

CVE-2019-25757 is a SQL injection vulnerability in Joomla vWishlist version 1.0.1. It allows authenticated attackers to inject malicious SQL code through the vproductid and userid parameters by sending crafted POST requests. This injection enables attackers to manipulate SQL queries executed by the application.

Successful exploitation can cause the application to reveal sensitive database information such as database names and versions.

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Impact Analysis

This vulnerability can impact you by allowing an authenticated attacker to execute arbitrary SQL commands on your Joomla vWishlist database.

• Extraction of sensitive database information including database names and versions.
• Potential unauthorized access to or manipulation of stored data related to wishlist items.

Such unauthorized access can lead to data breaches, loss of data integrity, and exposure of confidential information.

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Detection Guidance

This SQL injection vulnerability in Joomla vWishlist 1.0.1 can be detected by monitoring for crafted HTTP POST requests targeting the vproductid and userid parameters with malicious SQL payloads.

One method to detect exploitation attempts is to analyze web server logs for unusual POST requests containing SQL syntax or payloads in these parameters.

Additionally, sending test POST requests with SQL injection payloads to these parameters and observing the server response for errors such as XPath syntax errors can help confirm the vulnerability.

• Use tools like curl or Burp Suite to send crafted POST requests to the vulnerable endpoints, for example:
• curl -X POST -d "vproductid=1' OR '1'='1&userid=1" http://target-site.com/path-to-vwishlist
• Check server responses for SQL errors or unexpected data leakage.
• Monitor web application firewall (WAF) logs or intrusion detection systems (IDS) for alerts related to SQL injection attempts on these parameters.

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Mitigation Strategies

Immediate mitigation steps include restricting access to the vulnerable Joomla vWishlist 1.0.1 component to only trusted authenticated users.

Users should update the vWishlist extension to the latest patched version if available.

If no update is available, consider disabling or removing the vWishlist extension to prevent exploitation.

Implement web application firewall (WAF) rules to block SQL injection attempts targeting the vproductid and userid parameters.

Review and harden input validation and parameter sanitization in the application to prevent injection of malicious SQL code.

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Compliance Impact

The SQL injection vulnerability in Joomla vWishlist 1.0.1 allows attackers to extract sensitive database information, including database names and versions, by injecting malicious SQL code through specific parameters.

Such unauthorized access to sensitive data can lead to data breaches, which may violate compliance requirements under common standards and regulations like GDPR and HIPAA that mandate protection of personal and sensitive information.

Therefore, exploitation of this vulnerability could result in non-compliance with these regulations due to potential exposure or compromise of protected data.

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