RHCOS 4 : OpenShift Container Platform 4.14.2 (RHSA-2023:6840)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:6840 advisory. - golang: net/http: insufficient sanitization of Host header CVE-2023-29406 - golang: crypto/tls: slow verification of certificate...

CRLF Injection

github.com/golang/go is vulnerable to CRLF Injection. The vulnerability exists because the library does not properly sanitize the Request.Host field, which allows an attacker to send a maliciously crafted Host field through the request header...

CVE-2023-29406

The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value...