CVE-2017-12165 – undertow: improper whitespace parsing leading to potential HTTP request smuggling

https://notcve.org/view.php?id=CVE-2017-12165

It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling. Se ha descubierto que Undertow en versiones anteriores a la 1.4.17, 1.3.31 y 2.0.0 procesa cabeceras de petición HTTP con espacios en blanco inusuales que pueden provocar HTTP Request Smuggling. It was discovered that Undertow processes http request headers with unusual whitespaces which can cause possible http request smuggling. • https://access.redhat.com/errata/RHSA-2017:3454 https://access.redhat.com/errata/RHSA-2017:3455 https://access.redhat.com/errata/RHSA-2017:3456 https://access.redhat.com/errata/RHSA-2017:3458 https://access.redhat.com/errata/RHSA-2018:0002 https://access.redhat.com/errata/RHSA-2018:0003 https://access.redhat.com/errata/RHSA-2018:0004 https://access.redhat.com/errata/RHSA-2018:0005 https://access.redhat.com/errata/RHSA-2018:1322 https://bugzilla.redhat.com/show_bug. • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •