CVE-2020-27782 – undertow: special character in query results in server errors

https://notcve.org/view.php?id=CVE-2020-27782

A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1. Se encontró un fallo en el conector AJP de Undertow. • https://bugzilla.redhat.com/show_bug.cgi?id=1901304 https://access.redhat.com/security/cve/CVE-2020-27782 • CWE-400: Uncontrolled Resource Consumption •