Ruby on Rails में ActiveRecord डेटाबेस-क्वेरी बाईपास की अनुमति देता है

Successful exploitation of CVE-2016-6317 could allow an attacker to manipulate database queries, potentially leading to unauthorized data access, modification, or deletion. The vulnerability stems from Active Record's failure to properly handle NULL values in certain scenarios, allowing attackers to inject malicious SQL code. This could enable attackers to bypass authentication mechanisms, extract sensitive information (user credentials, financial data, personal details), or even gain control of the underlying database server. The impact is amplified in applications that rely heavily on Active Record for data persistence and validation, as a successful attack could compromise the entire application's integrity and confidentiality. This vulnerability shares similarities with previous SQL injection flaws in Rails (CVE-2012-2660, CVE-2012-2694, CVE-2013-0155), highlighting the ongoing need for careful input validation and secure coding practices.

1. प्रकाशित2017-10-24
2. संशोधित2024-02-20
3. EPSS अद्यतन2026-04-02

The primary mitigation for CVE-2016-6317 is to upgrade to Ruby on Rails version 4.2.7.1 or later. This version includes a fix that addresses the inconsistent parameter handling that leads to the SQL injection vulnerability. If upgrading is not immediately feasible, consider implementing temporary workarounds such as strict input validation and sanitization of all user-supplied data before it is used in database queries. Web application firewalls (WAFs) configured to detect and block SQL injection attempts can also provide an additional layer of protection. Review application code to identify any instances where user input is directly incorporated into SQL queries and implement parameterized queries or prepared statements to prevent SQL injection attacks. After upgrading, confirm the fix by attempting to reproduce the vulnerability with crafted requests containing NULL values and verifying that the queries are properly sanitized.