MediumGHSA-mcxr-fx5f-96qqCVE-2021-22969

Server-Side Request Forgery in Concrete CMS

Published 23 Nov 2021 · Updated 2 Dec 2024

Affected package

Affected: <8.5.7
Fixed in: 8.5.7

Update to the fixed version for your release line, for example:composer require concrete5/core:^8.5.7

Details

Concrete CMS (formerly concrete5) versions below 8.5.7 has a SSRF mitigation bypass using DNS Rebind attack giving an attacker the ability to fetch cloud IAAS (ex AWS) IAM keys.To fix this Concrete CMS no longer allows downloads from the local network and specifies the validated IP when downloading rather than relying on DNS.Discoverer.

Is GHSA-mcxr-fx5f-96qq in any of your client repos?

Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected concrete5/core, and gives you the command that fixes it.

Scan a project free, no signup Or connect GitHub to scan every repo

References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.