Security updates available for ColdFusion | APSB18-14
Bulletin ID Date Published Priority
APSB18-14 April 10, 2018 2

Summary

Adobe has released security updates for ColdFusion version 11 and the 2016 release. These updates resolve an important insecure library loading vulnerability (CVE-2018-4938), an important cross-site scripting vulnerability that could lead to code injection (CVE-2018-4940) and an important cross-site scripting vulnerability that could lead to information disclosure (CVE-2018-4941). These updates also include a mitigation for a critical unsafe Java deserialization vulnerability (CVE-2018-4939) and a mitigation for a critical unsafe XML parsing vulnerability (CVE-2018-4942).

Affected Versions

Product Affected Versions Platform
ColdFusion (2016 release) Update 5 and earlier versions All
ColdFusion 11 Update 13 and earlier versions All

Solution

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

Product Updated Version Platform Priority rating Availability
ColdFusion (2016 release) Update 6 All 2 Tech note
ColdFusion 11 Update 14 All
2 Tech note

Note:

The security updates referenced in the above Tech Notes require JDK 8u121 or higher (for ColdFusion 2016) and JDK 7u131 or JDK 8u121 (for ColdFusion 11). Adobe recommends updating your ColdFusion JDK/JRE to the latest version. Applying the ColdFusion update without a corresponding JDK update will NOT secure the server. See the relevant Tech Notes for more details.

Customers should also 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
Insecure Library Loading Local privilege escalation Important CVE-2018-4938
Deserialization of Untrusted Data Remote code execution Critical CVE-2018-4939
Cross-Site Scripting Information Disclosure Important CVE-2018-4940
Cross-Site Scripting Information Disclosure Important CVE-2018-4941
Unsafe XML External Entity Processing Information Disclosure Critical CVE-2018-4942

Acknowledgements

Adobe would like to thank the following individuals and organizations for reporting these issues and for working with Adobe to help protect our customers:

  • Nitesh Shilpkar (CVE-2018-4938)
  • Nick Bloor of NCC Group (CVE-2018-4939)
  • Jaaziel Sam Carlos (CVE-2018-4940)
  • William Eatman and Michael S. O'Dell from USRA (CVE-2018-4941)
  • Matthias Kaiser of Code White GmbH (CVE-2018-4942)

ColdFusion JDK Requirement

COLDFUSION 2016 HF6

This security update requires ColdFusion to be on JDK 8u121 or higher. Adobe recommends updating your ColdFusion JDK/JRE to the latest version. Applying the ColdFusion update without a corresponding JDK update will NOT secure the server.

For Application Servers

Additionally, on JEE installations, set the following JVM flag, "-Djdk.serialFilter= !org.mozilla.**;!com.sun.syndication.**", 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.

COLDFUSION 11 HF14

This security update requires ColdFusion to be on JDK 7u131 or JDK 8u121 or higher.

Adobe recommends updating your ColdFusion JDK/JRE to the latest version. Applying the ColdFusion update without a corresponding JDK update will NOT secure the server.

For Application Servers

Additionally, on J2EE installations, set the following JVM flag, "-Djdk.serialFilter= !org.mozilla.**;!com.sun.syndication.**", 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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