dogtag-pki: pki-core: redhat-pki: pki: ACME HTTP-01 validation SSRF via IP literal identifiers and unvalidated redirects

A flaw was found in Dogtag PKI's ACME responder where the HTTP-01 challenge validator accepts IP address literals as dns identifiers and follows HTTP redirects without validating that the target is a public address. An unauthenticated ACME account holder can exploit this to perform server-side...