CVE-2017-16893 : Security Advisory and Response

Piwigo, an application, has a security flaw in version 2.9.2 and potentially earlier versions related to SQL injection, allowing remote authenticated attackers to access user information.

Understanding CVE-2017-16893

This CVE involves an SQL injection vulnerability in the Piwigo application, specifically affecting version 2.9.2 and potentially prior versions.

What is CVE-2017-16893?

The vulnerability in Piwigo allows attackers who are remotely authenticated to access information within the application's user context by exploiting an SQL injection flaw in the tags.php file.

The Impact of CVE-2017-16893

The vulnerability enables attackers to retrieve a list of registered users within the Piwigo application, potentially compromising user data and system integrity.

Technical Details of CVE-2017-16893

This section provides detailed technical information about the CVE.

Vulnerability Description

The flaw in Piwigo version 2.9.2 and earlier versions stems from improper sanitization of the edit_list parameters in the tags.php file, leading to the construction of malicious SQL queries.

Affected Systems and Versions

Product: Piwigo
Vendor: N/A
Versions: 2.9.2 and potentially earlier

Exploitation Mechanism

Attackers exploit the SQL injection vulnerability in the tags.php file to access user information within the application's context.

Mitigation and Prevention

Protect your systems from CVE-2017-16893 with the following steps:

Immediate Steps to Take

Update Piwigo to the latest version to patch the SQL injection vulnerability.
Monitor and restrict access to sensitive areas of the application.

Long-Term Security Practices

Implement input validation and parameterized queries to prevent SQL injection attacks.
Regularly audit and review application code for security vulnerabilities.

Patching and Updates

Stay informed about security updates for Piwigo and promptly apply patches to address known vulnerabilities.