CVE-2021-3688 – JBCS: URL normalization issue with dot-dot-semicolon(s) leads to information disclosure

https://notcve.org/view.php?id=CVE-2021-3688

A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity. Se ha encontrado un fallo en el Servidor HTTP de Red Hat JBoss Core Services en todas las versiones, en el que no normaliza apropiadamente el componente de la ruta de una URL de petición que contenga punto y coma. Este fallo podría permitir a un atacante acceder a información no autorizada o posiblemente conducir otros ataques. • https://access.redhat.com/security/cve/CVE-2021-3688 https://bugzilla.redhat.com/show_bug.cgi?id=1990252 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •