Compliance Impact

The SQL injection vulnerability in Joomla Component J-MultipleHotelReservation 6.0.7 allows unauthenticated attackers to extract sensitive database information, including table names and column data.

Such unauthorized access to sensitive data can lead to violations of data protection regulations like GDPR and HIPAA, which require the protection of personal and sensitive information from unauthorized disclosure.

Therefore, exploitation of this vulnerability could result in non-compliance with these standards due to potential data breaches and exposure of confidential information.

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Executive Summary

This vulnerability is an SQL injection flaw in the Joomla Component J-MultipleHotelReservation version 6.0.7. It allows unauthenticated attackers to inject malicious SQL code through the hotel_id parameter in POST requests to the search-hotels endpoint.

By exploiting this flaw, attackers can execute arbitrary SQL queries, including crafted UNION SELECT statements, to manipulate the database and extract sensitive information such as table names and column data.

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Impact Analysis

This vulnerability can have a significant impact as it allows attackers to access sensitive database information without authentication.

• Attackers can extract confidential data such as database table names and column contents.
• It can lead to unauthorized data disclosure and potential compromise of the entire database.
• Because the vulnerability requires no privileges or user interaction, it poses a high risk to affected systems.

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Detection Guidance

This SQL injection vulnerability can be detected by monitoring for unusual POST requests to the search-hotels endpoint, specifically those containing the hotel_id parameter with suspicious SQL payloads such as UNION SELECT statements.

A practical detection method is to use network traffic inspection tools or web application firewalls to log and analyze POST requests targeting the /j-myhotel/search-hotels path with the view=hotels parameter.

Example commands to detect potential exploitation attempts include using curl to send crafted requests or using tools like tcpdump or Wireshark to capture and filter suspicious traffic.

• Using curl to test for SQL injection: curl -X POST 'http://target-site/j-myhotel/search-hotels?view=hotels' -d 'hotel_id=1 UNION SELECT NULL--'
• Using tcpdump to capture POST requests to the vulnerable endpoint: tcpdump -A -s 0 'tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)' | grep 'POST /j-myhotel/search-hotels'

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Mitigation Strategies

Immediate mitigation steps include restricting access to the vulnerable endpoint, applying input validation and sanitization on the hotel_id parameter, and monitoring for suspicious activity.

If possible, update or patch the Joomla J-MultipleHotelReservation component to a version that addresses this SQL injection vulnerability.

As a temporary measure, consider implementing a web application firewall (WAF) rule to block or alert on SQL injection patterns targeting the search-hotels endpoint.

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