CWE
436
Advisory Published
Updated

GHSA-x5mq-jjr3-vmx6

First published: Tue Jan 21 2025(Updated: )

### Impact Lack of proper header validation for its name and value. The potential attacker can construct deliberately malformed headers with `Header` class. This could disrupt application functionality, potentially causing errors or generating invalid HTTP requests. In some cases, these malformed requests might lead to a DoS scenario if a remote service’s web application firewall interprets them as malicious and blocks further communication with the application. ### Patches Upgrade to v4.5.8 or later. ### Workarounds Validate HTTP header keys and/or values if using user-supplied values before passing them to `Header` class. ### Differences from CVE-2023-29197 1. **Affected Software**: * CVE-2023-29197 specifically addresses a vulnerability in the `guzzlehttp/psr7` library. * The reported issue in this Security Advisory is within the **CodeIgniter4** framework and does not depend on or use the `guzzlehttp/psr7` library. 2. **Root Cause and Implementation**: * The vulnerability reported arises from an issue in the **Header class** of CodeIgniter4, which is unrelated to the functionality or implementation of `guzzlehttp/psr7`. 3. **Scope of Impact**: * The vulnerability described in this Security Advisory affects applications built with the **CodeIgniter4** framework, which does not use or rely on the `guzzlehttp/psr7` library. ### References * https://datatracker.ietf.org/doc/html/rfc7230#section-3.2 * https://github.com/advisories/GHSA-wxmh-65f7-jcvw

Affected SoftwareAffected VersionHow to fix
composer/codeigniter4/framework<4.5.8
4.5.8

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