CVE-2022-23556

Public Exploit
CodeIgniter is vulnerable to IP address spoofing when using proxy

Description

CodeIgniter is a PHP full-stack web framework. This vulnerability may allow attackers to spoof their IP address when the server is behind a reverse proxy. This issue has been patched, please upgrade to version 4.2.11 or later, and configure `Config\App::$proxyIPs`. As a workaround, do not use `$request->getIPAddress()`.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.07%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: codeigniter4 CodeIgniter4
Published at:
Updated at:

References

Link Tags
https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-ghw3-5qvm-3mqc third party advisory exploit
https://github.com/codeigniter4/CodeIgniter4/commit/5ca8c99b2db09a2a08a013836628028ddc984659 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-23556?
CVE-2022-23556 has been scored as a high severity vulnerability.
How to fix CVE-2022-23556?
To fix CVE-2022-23556, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-23556 being actively exploited in the wild?
It is possible that CVE-2022-23556 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-23556?
CVE-2022-23556 affects codeigniter4 CodeIgniter4.
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