CVE-2020-24914: qcubed PHP object injection
Summary
CVE-2020-24914: qcubed PHP object injection. Affects qcubed/qcubed versions < 3.2. Fixed in 3.2. How to fix ↓
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Background
qcubed is a PHP framework that provides an object-oriented approach to web development. It offers various features and components to simplify the creation of web applications. However, versions up to 3.1.1 of qcubed are vulnerable to a PHP object injection bug in the 'profile.php' file. This vulnerability allows an unauthenticated attacker to execute arbitrary code by exploiting the untrusted data of the 'strProfileData' POST variable.
Vulnerability Detail
The vulnerability in qcubed arises from the insecure deserialization of user-supplied data. When the 'strProfileData' POST variable is unserialized, it can lead to the execution of malicious code. This can have severe consequences, including unauthorized access, data manipulation, and remote code execution. The vulnerability has a CVSS score of 9.8, indicating its criticality.
How To Fix
Minimum fixed version
3.2
This is the first release that contains the fix.
composer require qcubed/qcubed:3.2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If upgrading to the latest version is not immediately feasible, a temporary workaround is to disable the affected functionality or implement input validation and sanitization measures to mitigate the risk of object injection. Here is an example of input validation for the 'strProfileData' variable:
if (isset($_POST['strProfileData'])) {
$profileData = $_POST['strProfileData'];
// Validate and sanitize the input
// ... (your validation and sanitization code here)
}
Implementing proper input validation and sanitization can help prevent the exploitation of this vulnerability.
Conclusion
The qcubed PHP object injection vulnerability (CVE-2020-24914) allows an unauthenticated attacker to execute arbitrary code on the affected system. Upgrading to version 3.2 or later is recommended to fix this vulnerability. If immediate upgrade is not possible, implementing input validation and sanitization measures can provide temporary mitigation. It is important to take prompt action to protect the application from potential exploitation. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for qcubed/qcubed →
FAQ
This vulnerability allows an unauthenticated attacker to execute arbitrary code on the affected system. They can potentially gain unauthorized access, manipulate data, and perform remote code execution.
No, authentication is not required. The vulnerability can be exploited by an unauthenticated attacker.
No, versions up to 3.1.1 of qcubed are affected. Upgrading to version 3.2 or later resolves the vulnerability.
There are no known instances of this vulnerability being exploited in the wild at the time of this report. However, it is crucial to promptly apply the recommended fixes to mitigate the risk.
For more information about this vulnerability, you can refer to the GitHub Advisory Database entry: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-7w3c-jgh7-cwjw/GHSA-7w3c-jgh7-cwjw.json
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