CVE-2022-39284 : Exploit Details and Defense Strategies

This CVE-2022-39284 article provides insights into a security vulnerability affecting CodeIgniter versions prior to 4.2.7, leading to improper handling of HTTP cookie flags.

Understanding CVE-2022-39284

CodeIgniter, a PHP full-stack web framework, experiences a flaw where setting the

$secure

or

$httponly

flag in

Config\Cookie

does not reflect in

set_cookie()

or

Response::setCookie()

, potentially exposing cookie values to scripts.

What is CVE-2022-39284?

In versions before 4.2.7, CodeIgniter fails to properly enforce the

$secure

and

$httponly

settings in

Config\Cookie

, allowing cookie values to be exposed to scripts unintentionally.

The Impact of CVE-2022-39284

This vulnerability exposes sensitive cookie data to potential exploitation, compromising the security and integrity of web applications utilizing affected CodeIgniter versions.

Technical Details of CVE-2022-39284

The following technical details shed light on the vulnerability:

Vulnerability Description

CodeIgniter versions below 4.2.7 do not correctly apply the

$secure

and

$httponly

flags in

Config\Cookie

, leading to exposure of cookie values to scripts, impacting security.

Affected Systems and Versions

Vendor: CodeIgniter4
Product: CodeIgniter4
Affected Versions: < 4.2.7

Exploitation Mechanism

By manipulating the cookie values due to the misconfiguration, attackers can potentially access sensitive data or perform unauthorized actions on the affected web application.

Mitigation and Prevention

To address CVE-2022-39284, users should take immediate and long-term security measures:

Immediate Steps to Take

Upgrade to CodeIgniter version 4.2.7 or later to mitigate the vulnerability and ensure secure handling of HTTP cookie flags.

Long-Term Security Practices

Regularly monitor security advisories and apply updates promptly to prevent similar vulnerabilities in the future.

Patching and Updates

Refer to the provided GitHub Security Advisories and related GitHub links for detailed instructions on implementing workarounds and fixes.