Security Bulletin: IBM Urbancode Deploy server/agent/relay releases before 7.1.2.1 impacted by Apache Log4j vulnerabilities. (CVE-2021-4104)

Summary

IBM Urbancode Deploy server, agent, and relay releases before release 7.1.2.1 are impacted by CVE-2021-4104. The product uses Log4j 1.2 logging library which may be exploited with administrative access.

Vulnerability Details

CVEID:CVE-2021-4104
**DESCRIPTION:**Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. If the deployed application is configured to use JMSAppender, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215048 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now.

These releases contain the full updates for server, agents, relays, and plugins.
Follow the standard upgrade documentation found here: <https://www.ibm.com/docs/en/urbancode-deploy/7.1.2?topic=upgrading-migrating&gt;

Version 6.2.7.3 up to and including 6.2.7.12, upgrade to 6.2.7.13 or later.

Version 7.0.3.0 up to and including 7.0.5.7, upgrade to 7.0.5.8 or later.
Version 7.1.0.0 up to and including 7.1.2.0, upgrade to 7.1.2.1 or later.

Based on current information and analysis, we do not believe that Releases 7.1.2.1 or greater are vulnerable to CVE-2021-4104.

Workarounds and Mitigations

As a mitigation for affected releases until the above “Remediation/Fixes” have been applied:

A replacement file log4j.jar has been created to apply this same change to all past versions of IBM Urbancode Deploy and is available on Fix Central as Log4jFixPack-IBM-UrbanCode-Deploy

Individual updated plugins are available on the following site https://www.urbancode.com/plugins/