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High ALAS2023-2024-577 2 CVEs

Important: tomcat9 security update (Amazon Linux 2023)

Published Mar 27, 2024 · Updated Mar 27, 2024

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2024-24549: Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat. When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue. CVE-2024-23672: Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.

Fixed packages 8

ReleasePackageFixed in
Amazon Linux · 2023 tomcat9 1:9.0.87-1.amzn2023.0.2
Amazon Linux · 2023 tomcat9-admin-webapps 1:9.0.87-1.amzn2023.0.2
Amazon Linux · 2023 tomcat9-docs-webapp 1:9.0.87-1.amzn2023.0.2
Amazon Linux · 2023 tomcat9-el-3.0-api 1:9.0.87-1.amzn2023.0.2
Amazon Linux · 2023 tomcat9-jsp-2.3-api 1:9.0.87-1.amzn2023.0.2
Amazon Linux · 2023 tomcat9-lib 1:9.0.87-1.amzn2023.0.2
Amazon Linux · 2023 tomcat9-servlet-4.0-api 1:9.0.87-1.amzn2023.0.2
Amazon Linux · 2023 tomcat9-webapps 1:9.0.87-1.amzn2023.0.2

Vulnerabilities 2

  • High 7.5
    CVE-2024-24549 Public exploit EPSS 23%

    Apache Tomcat: HTTP/2 header handling DoS

    Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat. When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after …

  • Medium 6.3

    Apache Tomcat: WebSocket DoS with incomplete closing handshake

    Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, fr…

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2024-23672.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2024-24549.html