Security Bulletin
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
| Affected Product(s) | Version(s) |
| IBM Observability with Instana (OnPrem) | All |
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
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References
Change History
17 Dec 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
11 January 2022
UID
ibm16528994