Denial of service in Undertow
High severity
GitHub Reviewed
Published
Feb 9, 2022
to the GitHub Advisory Database
•
Updated Feb 1, 2023
Package
Affected versions
>= 2.1.0, < 2.1.5
< 2.0.33
Patched versions
2.1.5
2.0.33
Description
Published by the National Vulnerability Database
Feb 23, 2021
Reviewed
Mar 31, 2021
Published to the GitHub Advisory Database
Feb 9, 2022
Last updated
Feb 1, 2023
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.
References