• [SECURITY] [DSA 5667-1] tomcat9 security update

    From Markus Koschany@21:1/5 to All on Fri Apr 19 22:10:01 2024
    Hash: SHA512

    - ------------------------------------------------------------------------- Debian Security Advisory DSA-5667-1 security@debian.org https://www.debian.org/security/ Markus Koschany
    April 19, 2024 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : tomcat9
    CVE ID : CVE-2023-46589 CVE-2024-23672 CVE-2024-24549
    Debian Bug : 1057082 1066877 1066878

    Several security vulnerabilities have been discovered in the Tomcat
    servlet and JSP engine.


    Tomcat 9 did not correctly parse HTTP trailer headers. A trailer header
    that exceeded the header size limit could cause Tomcat to treat a single
    request as multiple requests leading to the possibility of request
    smuggling when behind a reverse proxy.


    Denial of Service due to improper input validation vulnerability for
    HTTP/2. 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.


    Denial of Service via incomplete cleanup vulnerability. It was possible
    for WebSocket clients to keep WebSocket connections open leading to
    increased resource consumption.

    For the oldstable distribution (bullseye), these problems have been fixed
    in version 9.0.43-2~deb11u10.

    We recommend that you upgrade your tomcat9 packages.

    For the detailed security status of tomcat9 please refer to
    its security tracker page at: https://security-tracker.debian.org/tracker/tomcat9

    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

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