Security Bulletin: Vulnerabilitiy in Apache Log4jaffects IBM Observability with Instana - Server and Agents (CVE-2021-44228)

Summary

Vulnerabilities detected in Apache Log4j versions before v2.16.0 affects IBM Observability with Instana. These have been addressed in both the Server and Agent components.

Vulnerability Details

CVEID:CVE-2021-44228
**DESCRIPTION:**Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the failure to protect against attacker controlled LDAP and other JNDI related endpoints by JNDI features. By sending a specially crafted code string, an attacker could exploit this vulnerability to load arbitrary Java code on the server and take complete control of the system. Note: The vulnerability is also called Log4Shell or LogJam.
CVSS Base score: 10
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/214921 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

Update your existing installation of IBM Observability with Instana as described here: <https://www.ibm.com/docs/en/owi/215?topic=premises-container-based-installation#upgrade-your-package-based-to-container-based-installation>

Instana Agent update
Update our Instana Agent installation to the latest available version.
Latest available agent packages and agent docker images ship with an update for the current Log4j CVE.
The respective versions are:
- DEB & RPM packages: versions with a timestamp 2021-12-11 20:58 or later
- Windows installer (JVM included): versions with a timestamp 2021-12-13 09:29 or later
- Windows ZIP (JVM excluded): versions with a timestamp 2021-12-11 20:33 or later
- Dynamic agent image: 1.215.24 & 1.215.24-j9, latest, latest-j9 or later
- Static agent image:  1.215.24 & 1.215.24-j9, latest, latest-j9 or later

Please follow Agent installation steps to (re-)install the latest Agent version as described here: <https://www.ibm.com/docs/en/owi/215?topic=agent-installation-requirements>

Workarounds and Mitigations

None