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[SECURITY] [DLA 4017-1] tomcat9 security update



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Debian LTS Advisory DLA-4017-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Markus Koschany
January 17, 2025                              https://wiki.debian.org/LTS
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Package        : tomcat9
Version        : 9.0.43-2~deb11u11
CVE ID         : CVE-2024-21733 CVE-2024-38286 CVE-2024-50379 CVE-2024-52316 
                 CVE-2024-56337

Several problems have been addressed in Tomcat 9, a Java based web server,
servlet and JSP engine which may lead to a denial-of-service or the disclosure
of sensitive information.

CVE-2024-21733

    Generation of Error Message Containing Sensitive Information vulnerability
    in Apache Tomcat.

CVE-2024-38286

    Apache Tomcat, under certain configurations, allows an attacker to cause an
    OutOfMemoryError by abusing the TLS handshake process.

CVE-2024-52316

    Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is
    configured to use a custom Jakarta Authentication (formerly JASPIC)
    ServerAuthContext component which may throw an exception during the
    authentication process without explicitly setting an HTTP status to
    indicate failure, the authentication may not fail, allowing the user to
    bypass the authentication process. There are no known Jakarta
    Authentication components that behave in this way.

CVE-2024-50379 / CVE-2024-56337

    Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP
    compilation in Apache Tomcat permits an RCE on case insensitive file
    systems when the default servlet is enabled for write (non-default
    configuration).
    Some users may need additional configuration to fully mitigate
    CVE-2024-50379 depending on which version of Java they are using with
    Tomcat. For Debian 11 "bullseye" the system property
    sun.io.useCanonCaches must be explicitly set to false (it defaults to
    true). Most Debian users will not be affected because Debian uses case
    sensitive file systems by default.

For Debian 11 bullseye, these problems have been fixed in version
9.0.43-2~deb11u11.

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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