CVE-2020-1757 – undertow: servletPath is normalized incorrectly leading to dangerous application mapping which could result in security bypass

https://notcve.org/view.php?id=CVE-2020-1757

A flaw was found in all undertow-2.x.x SP1 versions prior to undertow-2.0.30.SP1, all undertow-1.x.x and undertow-2.x.x versions prior to undertow-2.1.0.Final, where the Servlet container causes servletPath to normalize incorrectly by truncating the path after semicolon which may lead to an application mapping resulting in the security bypass. Se encontró un fallo en todas las versiones undertow-2.x.x SP1 anteriores a undertow-2.0.30.SP1, en todas las versiones undertow-1.x.x y versiones undertow-2.x.x anteriores a undertow-2.1.0.Final, donde el contenedor de servlets causa que servletPath se normalice incorrectamente al truncar la ruta después del punto y coma, lo que puede conllevar a un mapeo de la aplicación resultando en la omisión de la seguridad. A flaw was found in Undertow, where the servlet container causes the servletPath to normalize incorrectly by truncating the path after the semicolon. The flaw may lead to application mapping, resulting in a security bypass. • https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1757 https://access.redhat.com/security/cve/CVE-2020-1757 https://bugzilla.redhat.com/show_bug.cgi?id=1752770 • CWE-20: Improper Input Validation CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •