CVE-2020-13935

Public on 2020-07-14
Modified on 2024-05-16
Description
A flaw was found in Apache Tomcat, where the payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. The highest threat from this vulnerability is to system availability.
Severity
Important severity
Important
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
HAQM Linux 2 - Core tomcat 2023-05-11 ALAS2-2023-2047 Fixed
HAQM Linux 2 - Tomcat8.5 Extra tomcat 2023-08-21 ALAS2TOMCAT8.5-2023-013 Fixed
HAQM Linux 2 - Tomcat9 Extra tomcat 2023-08-21 ALAS2TOMCAT9-2023-008 Fixed
HAQM Linux 1 tomcat8 2020-07-27 ALAS-2020-1409 Fixed
HAQM Linux 2023 tomcat9 Not Affected

CVSS Scores

Score Type Score Vector
HAQM Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H