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AUSCERT External Security Bulletin Redistribution
ESB-2020.2395
APSB20-43 Security update available for Adobe ColdFusion
15 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Adobe ColdFusion
Publisher: Adobe
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-9673 CVE-2020-9672
Original Bulletin:
https://helpx.adobe.com/security/products/coldfusion/apsb20-43.html
- --------------------------BEGIN INCLUDED TEXT--------------------
Security updates available for Adobe ColdFusion | APSB20-43
+-----------+--------------+--------+
|Bulletin ID|Date Published|Priority|
+-----------+--------------+--------+
|APSB20-43 |July 14, 2020 |2 |
+-----------+--------------+--------+
Summary
Adobe has released security updates for ColdFusion versions 2016 and 2018.These
updates resolve multiple important vulnerabilities that could lead to privilege
escalation.
Affected Versions
+---------------+-----------------------------+--------+
|Product |Update number |Platform|
+---------------+-----------------------------+--------+
|ColdFusion 2016|Update 15 and earlier version|All |
+---------------+-----------------------------+--------+
|ColdFusion 2018|Update 9 and earlier versions|All |
+---------------+-----------------------------+--------+
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 16 |All |2 |Tech note |
+-----------------+-----------------+---------+-----------------+-------------+
|ColdFusion 2018 |Update 10 |All |2 |Tech note |
+-----------------+-----------------+---------+-----------------+-------------+
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.
Adobe also recommends customers apply the security configuration settings as
outlined on the ColdFusion Security page as well as review the respective
Lockdown guides.
o ColdFusion 2018 Auto-Lockdown guide
o ColdFusion 2016 Lockdown Guide
Vulnerability Details
+--------------------------+--------------------+---------+----------------------+
| Vulnerability Category | Vulnerability |Severity | CVE Numbers |
| | Impact | | |
+--------------------------+--------------------+---------+----------------------+
| | | |CVE-2020-9672 |
|DLL search-order hijacking|Privilege escalation|Important| |
| | | |CVE-2020-9673 |
+--------------------------+--------------------+---------+----------------------+
Acknowledgements
Adobe would like to thank the following individuals and organizations for
reporting the relevant issues and for working with Adobe to help protect our
customers:
o Nuttakorn Tungpoonsup & Ammarit Thongthua - Secure D Center Research Team,
Secure D Center Co.,Ltd., Sittikorn Sangrattanapitak - Cybersecurity
Researcher. (CVE-2020-9672, CVE-2020-9673)
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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