Adobe Security Bulletin

Security updates available for ColdFusion | APSB20-16

Bulletin ID

Date Published

Priority

APSB20-16

March 17, 2020

2

Summary

Adobe has released security updates for ColdFusion versions 2016 and 2018. These updates resolve multiple critical vulnerabilities that could lead to arbitrary code execution. 

Affected Versions

Product

Update number

Platform

ColdFusion 2016

Update 13 and earlier version

All

ColdFusion 2018

Update 7 and earlier versions    

All

Note:

ColdFusion servers deployed with the recommended lockdown installer are not impacted by these vulnerabilities.

Solution

Adobe categorizes these updates with the following priority rating and recommends users update their installations to the newest versions:

Product

Updated Version

Platform

Priority rating

Availability

ColdFusion 2016

Update 14

All

                   2

ColdFusion 2018

Update 8

All

2

Note:

Adobe recommends updating your ColdFusion JDK/JRE to the latest version of the LTS releases for 1.8 and JDK 11. Applying the ColdFusion update without a corresponding JDK update will NOT secure the server.  See the relevant Tech Notes for more details. 

JEE Application Servers:

Users having JEE ColdFusion deployments (such as Tomcat, JBoss EAP) can refer to the instructions in https://helpx.adobe.com/coldfusion/kb/coldfusion-2018-update-8.html#jee

ColdFusion 11

ColdFusion 11 users are recommended to apply the mitigations steps outlined in https://helpx.adobe.com/coldfusion/kb/coldfusion-11-mitigation-steps.html   

Adobe  also recommends customers apply the security configuration settings as outlined on the ColdFusion Security page as well as review the respective Lockdown guides.    

Vulnerability Details

Vulnerability Category

Vulnerability Impact

Severity

CVE Numbers

Remote file read

Arbitrary file read from the Coldfusion install directory

Critical

CVE-2020-3761

File inclusion  

Arbitrary code execution of files located in the webroot or its subdirectory

Critical

CVE-2020-3794

Acknowledgements

Adobe would like to thank Wang Cheng of Venustech ADLab (CVE-2020-3761, CVE-2020-3794) for reporting these issues and for working with Adobe to help protect our customers.

ColdFusion JDK Requirement

COLDFUSION 2018 HF1 and above  

For Application Servers   

On JEE installations, set the following JVM flag, "-Djdk.serialFilter= !org.mozilla.**;!com.sun.syndication.**;!org.apache.commons.beanutils.**", in the respective startup file depending on the type of Application Server being used.   

For example:   

Apache Tomcat Application Server: edit JAVA_OPTS in the ‘Catalina.bat/sh’ file   

WebLogic Application Server:  edit JAVA_OPTIONS in the ‘startWeblogic.cmd’ file   

WildFly/EAP Application Server:  edit JAVA_OPTS in the ‘standalone.conf’ file   

Set the JVM flags on a JEE installation of ColdFusion, not on a standalone installation.   

COLDFUSION 2016 HF7 and above

This security update requires ColdFusion to be on JDK 8u121 or higher. Adobe recommends that you must manually update your ColdFusion JDK/JRE to the latest version. In case you do not update the JDK/JRE, simply applying the update would NOT secure the server.

For Application Servers

Additionally, on JEE installations, set the following JVM flag, "-Djdk.serialFilter= !org.mozilla.**;!com.sun.syndication.**;!org.apache.commons.beanutils.**", in the respective startup file depending on the type of Application Server being used. 

For example:         

On Apache Tomcat Application Server, edit JAVA_OPTS in the ‘Catalina.bat/sh’ file         

On WebLogic Application Server, edit JAVA_OPTIONS in the ‘startWeblogic.cmd’ file         

On a WildFly/EAP Application Server, edit JAVA_OPTS in the ‘standalone.conf’ file 

Set the JVM flags on a JEE installation of ColdFusion, not on a standalone installation

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