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AUSCERT External Security Bulletin Redistribution
ESB-2021.1219
APSB21-23 Security update available for Adobe Bridge
14 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Adobe Bridge
Publisher: Adobe
Operating System: Mac OS
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21096 CVE-2021-21095 CVE-2021-21094
CVE-2021-21093 CVE-2021-21092 CVE-2021-21091
Original Bulletin:
https://helpx.adobe.com/security/products/bridge/apsb21-23.html
- --------------------------BEGIN INCLUDED TEXT--------------------
Security Updates Available for Adobe Bridge | APSB21-23
+-------------------------+--------------------------------+------------------+
|Bulletin ID |Date Published |Priority |
+-------------------------+--------------------------------+------------------+
|APSB21-23 |April 13, 2021 |3 |
+-------------------------+--------------------------------+------------------+
Summary
Adobe has released a security update for Adobe Bridge. This update addresses
critical and important vulnerabilities that could lead to arbitrary code
execution in the context of the current user.
Affected Versions
+------------------------+---------------------------+--------+
| Product | Version |Platform|
+------------------------+---------------------------+--------+
|Adobe Bridge |10.1.1 and earlier versions|Windows |
+------------------------+---------------------------+--------+
|Adobe Bridge |11.0.1 and earlier versions|Windows |
+------------------------+---------------------------+--------+
Solution
Adobe categorizes these updates with the following priority ratings and
recommends users update their installation to the newest version via the
Creative Cloud desktop app's update mechanism. For more information, please
reference this help page .
+---------------+---------+----------------------+----------+-----------------+
|Product |Version |Platform |Priority |Availability |
+---------------+---------+----------------------+----------+-----------------+
|Adobe Bridge |10.1.2 |Windows and macOS |3 |Download Page |
+---------------+---------+----------------------+----------+-----------------+
|Adobe Bridge |11.0.2 |Windows and macOS |3 |Download Page |
+---------------+---------+----------------------+----------+-----------------+
Vulnerability details
+-----------------------+--------------------------+----------+---------------+
|Vulnerability Category |Vulnerability Impact |Severity |CVE Numbers |
+-----------------------+--------------------------+----------+---------------+
|Out-of-bounds read |Information Disclosure |Important |CVE-2021-21091 |
+-----------------------+--------------------------+----------+---------------+
|Improper Authorization |Privilege Escalation |Important |CVE-2021-21096 |
+-----------------------+--------------------------+----------+---------------+
| | | |CVE-2021-21093 |
|Memory Corruption |Arbitrary code execution |Critical | |
| | | |CVE-2021-21092 |
+-----------------------+--------------------------+----------+---------------+
| | | |CVE-2021-21094 |
|Out-of-bounds write |Arbitrary code execution |Critical | |
| | | |CVE-2021-21095 |
+-----------------------+--------------------------+----------+---------------+
Acknowledgments
Adobe would like to thank the following researchers for reporting these issues
and for working with Adobe to help protect our customers:
o Francis Provencher {PRL} working with Trend Micro Zero Day Initiative
(CVE-2021-21091, CVE-2021-21092, CVE-2021-21093, CVE-2021-21094)
o Tran Van Khang - khangkito (VinCSS) working with Trend Micro Zero Day
Initiative (CVE-2021-21095)
o ikth working with Trend Micro Zero Day Initiative (CVE-2021-21096)
- --------------------------END INCLUDED TEXT--------------------
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===========================================================================
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