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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).
| Product | Affected Versions | Platform |
|---|---|---|
| ColdFusion (2016 release) | Update 5 and earlier versions | All |
| ColdFusion 11 | Update 13 and earlier versions | All |
Adobe categorizes this update with the following priority rating and recommends users update their installations to the newest versions:
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 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 |
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 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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