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AUSCERT External Security Bulletin Redistribution
ESB-2021.1985
APSB21-39 Security update available for Adobe Experience Manager
9 June 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Adobe Experience Manager (AEM)
Publisher: Adobe
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-28628 CVE-2021-28627 CVE-2021-28626
CVE-2021-28625
Original Bulletin:
https://helpx.adobe.com/security/products/experience-manager/apsb21-39.html
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Security updates available for Adobe Experience Manager | APSB21-39
Bulletin ID Date Published Priority
APSB21-39 June 08, 2021 2
Summary
Adobe has released updates for Adobe Experience Manager (AEM). These updates
resolve vulnerabilities rated Important and moderate . Successful exploitation
of these vulnerabilities could result in arbitrary JavaScript execution in the
browser.
Affected product versions
+------------------------------+-----------------------------------+----------+
| Product | Version | Platform |
+------------------------------+-----------------------------------+----------+
| |AEM Cloud Service (CS) |All |
|Adobe Experience Manager (AEM)+-----------------------------------+----------+
| |6.5.8.0 and earlier versions |All |
+------------------------------+-----------------------------------+----------+
Solution
Adobe categorizes these updates with the following priority ratings and
recommends users update their installation to the newest version:
+------------------+--------------+----------+--------+-----------------------+
| Product | Version | Platform |Priority| Availability |
+------------------+--------------+----------+--------+-----------------------+
| |AEM Cloud |All |2 |Release Notes |
|Adobe Experience |Service (CS) | | | |
|Manager (AEM) +--------------+----------+--------+-----------------------+
| |6.5.9.0 |All |2 |AEM 6.5 Service Pack |
| | | | |Release Notes |
+------------------+--------------+----------+--------+-----------------------+
Note:
Customers running on Adobe Experience Manager's Cloud Service will
automatically receive updates that include new features as well as security and
functionality bug fixes.
Note:
Please contact Adobe customer care for assistance with AEM versions 6.3 and
6.2.
Vulnerability details
Vulnerability Vulnerability Severity CVSS CVE Number
Category Impact base CVSS vector
score
Cross-site
Scripting Arbitrary code CVSS:3.1/AV:N/
(XSS) execution Important 6.3 AC:L/PR:N/UI:R/ CVE-2021-28625
S:U/C:L/I:L/A:L
( CWE-79 )
Improper Application CVSS:3.1/AV:N/
Authorization denial-of-service Moderate 3.7 AC:H/PR:N/UI:N/ CVE-2021-28626
( CWE-285 ) S:U/C:N/I:L/A:N
Server-Side
Request CVSS:3.1/AV:N/
Forgery Security feature Important 5.4 AC:L/PR:L/UI:N/ CVE-2021-28627
(SSRF) bypass S:U/C:L/I:N/A:L
( CWE-918 )
Cross-site
Scripting Arbitrary code CVSS:3.1/AV:N/
(XSS) execution Important 6.3 AC:L/PR:N/UI:R/ CVE-2021-28628
S:U/C:L/I:L/A:L
( CWE-79 )
Updates to dependencies
+--------------+---------------------------------+-----------------------+
|Dependency |Vulnerability Impact |Affected Versions |
+--------------+---------------------------------+-----------------------+
| | |AEM CS |
|Apache Xerces2|Application Denial-of-Service | |
| | |AEM 6.5.8.0 and earlier|
+--------------+---------------------------------+-----------------------+
| | |AEM CS |
|Apache Sling |Improper Access Control | |
| | |AEM 6.5.8.0 and earlier|
+--------------+---------------------------------+-----------------------+
| | |AEM CS |
|Handlebars.js |Improper Access Control | |
| | |AEM 6.5.8.0 and earlier|
+--------------+---------------------------------+-----------------------+
| | |AEM CS |
|Uber Jar |Remote Code Execution | |
| | |AEM 6.5.8.0 and earlier|
+--------------+---------------------------------+-----------------------+
| | |AEM CS |
|jQuery |Improper Access Control | |
| | |AEM 6.5.8.0 and earlier|
+--------------+---------------------------------+-----------------------+
| | |AEM CS |
|Eclipse Jetty |Uncontrolled Resource Consumption| |
| | |AEM 6.5.8.0 and earlier|
+--------------+---------------------------------+-----------------------+
Acknowledgments
Adobe would like to thank SignorRossi (CVE-2021-28627) for reporting this issue
and for working with Adobe to help protect our customers.
For more information, visit https://helpx.adobe.com/security.html , or email
PSIRT@adobe.com.
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