Executive Summary

Apptha Slider Gallery version 1.0 contains a high-severity SQL injection vulnerability identified as CVE-2017-20249. This flaw allows unauthenticated attackers to inject malicious SQL code through the 'albid' parameter in GET requests.

By exploiting this vulnerability, attackers can execute arbitrary SQL queries on the backend database, potentially extracting sensitive information such as user credentials and authentication hashes.

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Impact Analysis

This vulnerability can have serious impacts including unauthorized access to sensitive database information.

• Attackers can extract user credentials and authentication hashes.
• It allows execution of arbitrary SQL commands without authentication.
• Potential compromise of user accounts and further exploitation of the system.

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Detection Guidance

This vulnerability can be detected by monitoring for suspicious GET requests that include the 'albid' parameter with SQL injection payloads. Specifically, look for HTTP requests targeting the vulnerable plugin URL pattern containing crafted SQL code in the 'albid' parameter.

A practical approach is to use network traffic inspection tools or web server logs to identify such requests.

• Use curl or wget to test the endpoint with a benign SQL injection payload, for example: curl "http://[target]/[PATH]/?albid=1' OR '1'='1"
• Search web server logs for requests containing 'albid=' followed by suspicious SQL syntax, e.g., grep "albid=" /var/log/apache2/access.log | grep "' OR '"
• Use automated vulnerability scanners that support SQL injection detection on GET parameters.

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Mitigation Strategies

Immediate mitigation steps include disabling or removing the vulnerable Apptha Slider Gallery plugin version 1.0 from your WordPress installation.

If removal is not immediately possible, restrict access to the vulnerable endpoint by implementing web application firewall (WAF) rules to block requests containing suspicious 'albid' parameter values.

Additionally, monitor and audit your database and system logs for any signs of exploitation.

Apply any available patches or updates from the plugin vendor once released.

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Compliance Impact

The SQL injection vulnerability in Apptha Slider Gallery 1.0 allows attackers to extract sensitive database information, including user credentials and authentication hashes. Such unauthorized access to sensitive personal data can lead to non-compliance with data protection regulations like GDPR and HIPAA, which require safeguarding personal and health-related information against breaches.

Exploitation of this vulnerability could result in data breaches that violate confidentiality and integrity requirements mandated by these standards, potentially leading to legal and financial consequences for affected organizations.

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