CVE-2015-0270: Zend Framework Allows SQL Injection
Summary
CVE-2015-0270: Zend Framework Allows SQL Injection. Affects zendframework/zendframework across 2 version ranges.
< 2.2.10
>= 2.3.0, < 2.3.5
Fixed in 2.2.10 or 2.3.5, depending on the release line you run. How to fix ↓
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Background
Zend Framework is a popular open-source PHP framework that provides a collection of professional PHP packages for developing web applications. It offers a wide range of features and components to simplify the development process and enhance application security. However, versions before 2.2.10 and 2.3.x before 2.3.5 are vulnerable to a potential SQL injection attack when using the PostgreSQL Zend\Db adapter.
Vulnerability Detail
The vulnerability in Zend Framework allows an attacker to inject malicious SQL queries into the PostgreSQL database. This can lead to unauthorized access, data manipulation, or even complete compromise of the database. The vulnerability arises due to improper input sanitization and lack of prepared statements in the affected versions of the framework. An attacker can exploit this vulnerability by crafting specially crafted input that is not properly validated or escaped by the framework.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
< 2.2.102.2.10composer require zendframework/zendframework:2.2.10 -
>= 2.3.0, < 2.3.52.3.5composer require zendframework/zendframework:2.3.5
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Workaround
If upgrading to the latest version is not immediately feasible, a temporary workaround is to manually sanitize and validate user input before using it in database queries. This can be achieved by using prepared statements or parameterized queries, which ensure that user input is properly escaped and treated as data rather than executable code. Here's an example of using prepared statements with the Zend\Db adapter:
$adapter = new Zend\Db\Adapter\Adapter($config);
$statement = $adapter->createStatement('SELECT * FROM users WHERE id = ?');
$statement->execute([$userId]);
$result = $statement->fetchAll();
Conclusion
In conclusion, the vulnerability in Zend Framework before version 2.2.10 and 2.3.x before 2.3.5 allows SQL injection in the PostgreSQL Zend\Db adapter. It is crucial to upgrade to the latest patched version of the framework to mitigate this vulnerability. Additionally, implementing proper input validation and using prepared statements can provide an immediate workaround until the upgrade is performed. For further support and assistance in vulnerability remediation, you can contact DevNack.com.
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FAQ
Zend Framework is an open-source PHP framework that provides a collection of professional PHP packages for developing web applications. It offers a wide range of features and components to simplify the development process and enhance application security.
SQL injection is a type of security vulnerability that allows an attacker to manipulate SQL queries executed by a web application. By injecting malicious SQL code, an attacker can bypass authentication, access unauthorized data, modify or delete data, or even execute arbitrary commands on the underlying database.
The potential consequences of this vulnerability include unauthorized access to sensitive data, data manipulation or deletion, and complete compromise of the affected database. An attacker can exploit this vulnerability to extract confidential information, modify data, or perform other malicious actions.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities in software using just the composer.lock file, without requiring access to the code or installation.
You can find more information about this vulnerability, including its technical details and the affected versions, in the vulnerability advisory on GitHub: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-v59p-p692-v382/GHSA-v59p-p692-v382.json
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