HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host’s network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24359
Reference (s):
- https://github.com/hashicorp/vault-ssh-helper/blob/master/CHANGELOG.md#020-august-19-2020
- https://github.com/hashicorp/vault-ssh-helper/releases