Ubuntu 16.04 libapache-mod-jk Important Fix for DoS Issue USN-8369

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USN-8369-1 introduced a regression in mod_jk Software Description: - libapache-mod-jk: Apache 2 connector for the Tomcat Java servlet engine Details: USN-8369-1 fixed a vulnerability in mod_jk. It was discovered that for Ubuntu 18.04 LTS, during the update preparation phase, a fix for CVE-2023-41081 was incorrectly dropped. This update reintroduces the fix for CVE-2023-41081. We apologize for the inconvenience. Original advisory details: It was discovered that Apache Tomcat Connectors used incorrect default permissions for shared memory on Unix-like systems. A local attacker could possibly use this issue to view or modify mod_jk configuration data in shared memory, resulting in sensitive information exposure or a denial of service.

USN-8369-1 introduced a regression in mod_jk

Software Description:

- libapache-mod-jk: Apache 2 connector for the Tomcat Java servlet engine

USN-8369-1 fixed a vulnerability in mod_jk. It was discovered that for

Ubuntu 18.04 LTS, during the update preparation phase, a fix for

CVE-2023-41081 was incorrectly dropped. This update reintroduces the fix

We apologize for the inconvenience.

Original advisory details:

It was discovered that Apache Tomcat Connectors used incorrect default

permissions for shared memory on Unix-like systems. A local attacker could

possibly use this issue to view or modify mod_jk configuration data in

shared memory, resulting in sensitive information exposure or a denial of

The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS libapache2-mod-jk 1:1.2.41-1ubuntu0.1~esm2 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

CVE-2023-41081,

Ubuntu Security Notice USN-8369-2

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