CVE-2021-32635 – Action Commands (run/shell/exec) Against Library URIs Ignore Configured Remote Endpoint

https://notcve.org/view.php?id=CVE-2021-32635

28 May 2021 — Singularity is an open source container platform. In verions 3.7.2 and 3.7.3, Dde to incorrect use of a default URL, `singularity` action commands (`run`/`shell`/`exec`) specifying a container using a `library://` URI will always attempt to retrieve the container from the default remote endpoint (`cloud.sylabs.io`) rather than the configured remote endpoint. An attacker may be able to push a malicious container to the default remote endpoint with a URI that is identical to the URI used by a victim with a no... • https://github.com/sylabs/singularity/releases/tag/v3.7.4 • CWE-20: Improper Input Validation CWE-923: Improper Restriction of Communication Channel to Intended Endpoints •