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CVE-2022-35943

5.9 · MEDIUM

Shield is an authentication and authorization framework for CodeIgniter 4.

Published Aug 12, 2022CWE-352EPSS 0.59%

Overview

CVE-2022-35943 is a medium-severity vulnerability. It was published on August 12, 2022 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Shield is an authentication and authorization framework for CodeIgniter 4. This vulnerability may allow [SameSite Attackers](https://canitakeyoursubdomain.name/) to bypass the [CodeIgniter4 CSRF protection](https://codeigniter4.github.io/userguide/libraries/security.html) mechanism with CodeIgniter Shield. For this attack to succeed, the attacker must have direct (or indirect, e.g., XSS) control over a subdomain site (e.g., `https://a.example.com/`) of the target site (e.g., `http://example.com/`). Upgrade to **CodeIgniter v4.2.3 or later** and **Shield v1.0.0-beta.2 or later**. As a workaround: set `Config\Security::$csrfProtection` to `'session,'`remove old session data right after login (immediately after ID and password match) and regenerate CSRF token right after login (immediately after ID and password match)

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcodeigniter4.github.io/userguide/libraries/security.htmRefdeveloper.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSiteGitHubgithub.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjqRefjub0bs.com/posts/2021-01-29-great-samesite-confusionRefcodeigniter4.github.io/userguide/libraries/security.htmRefdeveloper.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSiteGitHubgithub.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjqRefjub0bs.com/posts/2021-01-29-great-samesite-confusion

How CyberStrike helps

Frequently asked questions

What is CVE-2022-35943?

CVE-2022-35943 is a medium-severity vulnerability. It was published on August 12, 2022 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2022-35943?

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-35943?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-35943?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-35943 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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