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                              CERT-Renater

                    Note d'Information No. 2023/VULN319

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DATE                : 13/09/2023

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Adobe Acrobat and Reader
                            versions prior to 23.006.20320,
     Acrobat 2020, Acrobat Reader 2020 versions prior to 20.005.30524.

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https://helpx.adobe.com/security/products/acrobat/apsb23-34.html
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Security update available for Adobe Acrobat and Reader  | APSB23-34

Bulletin ID     Date Published     Priority
APSB23-34    September 12, 2023    1


Summary

Adobe has released a security update for Adobe Acrobat and Reader
for Windows and macOS. This update addresses a critical
vulnerability. Successful exploitation could lead to arbitrary code
execution .
Adobe is aware that CVE-2023-26369 has been exploited in the wild
in limited attacks targeting Adobe Acrobat and Reader.
     Affected Versions

Product     Track     Affected Versions     Platform     Acrobat DC 
Continuous     23.003.20284 and earlier versions
Windows &  macOS

Acrobat Reader DC   Continuous   23.003.20284 and earlier versions
Windows & macOS    	

Acrobat 2020  Classic 2020  20.005.30516 (Mac) 
   20.005.30514 (Win)
                             and earlier versions
                                                   Windows & macOS

Acrobat Reader 2020   Classic 2020  20.005.30516 (Mac)
                                     20.005.30514 (Win)
                                    and earlier versions
	                                              Windows & macOS

For questions regarding Acrobat DC, please visit the Acrobat DC
FAQ page.
For questions regarding Acrobat Reader DC, please visit the
Acrobat Reader DC FAQ page.


Solution

Adobe recommends users update their software installations to the
latest versions by following the instructions below.    

The latest product versions are available to end users via one of
the following methods:    

     Users can update their product installations manually by
choosing Help > Check for Updates.     

     The products will update automatically, without requiring
user intervention, when updates are detected.     
     The full Acrobat Reader installer can be downloaded from
the Acrobat Reader Download Center.     

For IT administrators (managed environments):     

     Refer to the specific release note version for links to
installers.     

     Install updates via your preferred methodology, such as
AIP-GPO, bootstrapper, SCUP/SCCM (Windows), or on macOS,
Apple Remote Desktop and SSH.    
   

Adobe categorizes these updates with the following priority
ratings and recommends users update their installation to
the newest version:    


Product   Track   Updated Versions   Platform    Priority Rating
Availability

Acrobat DC   Continuous    23.006.20320    Windows and macOS   1
Release Notes
Acrobat Reader DC   Continuous   23.006.20320   Windows and macOS
1    Release Notes
Acrobat 2020   Classic 2020   20.005.30524   Windows and macOS  1 
Release Notes
Acrobat Reader 2020   Classic 2020   20.005.30524  Windows and macOS 1 
   Release Notes


Vulnerability Details

Vulnerability Category 	Vulnerability Impact 	Severity   CVSS base score 
   CVSS vector   CVE Number

Out-of-bounds Write (CWE-787)   Arbitrary code execution
Critical   7.8 	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2023-26369

NOTE: Adobe has a private, invite-only, bug bounty program with
HackerOne. If you are interested in working with Adobe as an
external security researcher, please fill out this form for
next steps.


For more information, visit https://helpx.adobe.com/security.html,
or email PSIRT@adobe.com.


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+ CERT-RENATER        |    tel : 01-53-94-20-44         +
+ 23/25 Rue Daviel    |    fax : 01-53-94-20-41         +
+ 75013 Paris         |   email:cert@support.renater.fr +
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