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AUSCERT External Security Bulletin Redistribution
ESB-2021.0995
APSB21-16 : Security update available for Adobe ColdFusion
23 March 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Adobe ColdFusion
Publisher: Adobe
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21087
Original Bulletin:
https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html
- --------------------------BEGIN INCLUDED TEXT--------------------
Security updates available for Adobe ColdFusion | APSB21-16
+-----------+--------------+--------+
|Bulletin ID|Date Published|Priority|
+-----------+--------------+--------+
|APSB21-16 |March 22, 2021|2 |
+-----------+--------------+--------+
Summary
Adobe has released security updates for ColdFusion versions 2021, 2016
and 2018. These updates resolve a critical vulnerability that could lead
to arbitrary code execution.
Affected Versions
+---------------+----------------------------------+--------+
|Product |Update number |Platform|
+---------------+----------------------------------+--------+
|ColdFusion 2016|Update 16 and earlier version |All |
+---------------+----------------------------------+--------+
|ColdFusion 2018|Update 10 and earlier versions |All |
+---------------+----------------------------------+--------+
|ColdFusion 2021|Version 2021.0.0.323925 |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 17 |All |2 |Tech note |
+-----------------+-----------------+---------+-----------------+--------------+
|ColdFusion 2018 |Update 11 |All |2 |Tech note |
+-----------------+-----------------+---------+-----------------+--------------+
|ColdFusion 2021 |Update 1 |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
o ColdFusion 2021 Lockdown Guide
Vulnerability Details
+-------------------+-----------------------+----------+----------------------+
| Vulnerability | Vulnerability Impact | Severity | CVE Numbers |
| Category | | | |
+-------------------+-----------------------+----------+----------------------+
|Improper Input |Arbitrary Code |Critical |CVE-2021-21087 |
|Validation |Execution | | |
+-------------------+-----------------------+----------+----------------------+
Acknowledgements
Adobe would like to thank Josh Lane for reporting the relevant issues and for
working with Adobe to help protect our customers.
- --------------------------END INCLUDED TEXT--------------------
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