Adobe Security Bulletin

Security update available for Adobe Acrobat and Reader  | APSB23-01

Bulletin ID

Date Published

Priority

APSB23-01

January 10, 2023

3

Summary

Adobe has released security updates for Adobe Acrobat and Reader for Windows and macOS. These updates address critical and important vulnerabilities. Successful exploitation could lead to application denial-of-service, arbitrary code execution, privilege escalation and memory leak.
                       

Affected Versions

Product

Track

Affected Versions

Platform

Acrobat DC 

Continuous 

22.003.20282 (Win), 22.003.20281 (Mac) and earlier versions

Windows &  macOS

Acrobat Reader DC

Continuous 


22.003.20282 (Win), 22.003.20281 (Mac) and earlier versions

 

Windows & macOS




     

Acrobat 2020

Classic 2020           

20.005.30418 and earlier versions

 

Windows & macOS

Acrobat Reader 2020

Classic 2020           

20.005.30418 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

22.003.20310

Windows and macOS

3

Acrobat Reader DC

Continuous

22.003.20310

Windows and macOS

3

Release Notes     

 

 

 

 

 

 

Acrobat 2020

Classic 2020           

20.005.30436

Windows  and macOS  

3

Acrobat Reader 2020

Classic 2020 

20.005.30436

Windows  and macOS 

3

Vulnerability Details

Vulnerability Category Vulnerability Impact Severity CVSS base score CVSS vector CVE Number
Integer Overflow or Wraparound (CWE-190)
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-2023-21579
Out-of-bounds Read (CWE-125)
Memory Leak Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVE-2023-21581
Out-of-bounds Read (CWE-125)
Memory Leak Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVE-2023-21585
NULL Pointer Dereference (CWE-476)
Application denial-of-service
Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVE-2023-21586
Stack-based Buffer Overflow (CWE-121)
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-2023-21604
Heap-based Buffer Overflow (CWE-122)
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-2023-21605
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-2023-21606
Improper Input Validation (CWE-20)
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-2023-21607
Use After Free (CWE-416)
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-2023-21608
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-2023-21609
Stack-based Buffer Overflow (CWE-121)
Arbitrary code execution
Critical
7.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVE-2023-21610
Violation of Secure Design Principles (CWE-657)
Privilege escalation
Important 6.4 CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
CVE-2023-21611
Violation of Secure Design Principles (CWE-657)
Privilege escalation
Important
5.6 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N
CVE-2023-21612
Out-of-bounds Read (CWE-125)
Memory leak
Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVE-2023-21613
Out-of-bounds Read (CWE-125)
Memory leak
Important
5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2023-21614
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-2023-22240
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-2023-22241
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-2023-22242

Acknowledgements

Adobe would like to thank the following for reporting these issues and for working with Adobe to help protect our customers:   

  • 0x1byte working with Trend Micro Zero Day Initiative - CVE-2023-21579, CVE-2023-21581, CVE-2023-21605
  • Koh M. Nakagawa (Ko Kato) (tsunekoh) - CVE-2023-21611, CVE-2023-21612
  • Mat Powell with Trend Micro Zero Day Initiative - CVE-2023-21585, CVE-2023-21606, CVE-2023-21607, CVE-2023-21613,  CVE-2023-21614, CVE-2023-22240; CVE-2023-22241, CVE-2023-22242
  • KMFL (kmfl) - CVE-2023-21586
  • Anonymous working with Trend Micro Zero Day Initiative - CVE-2023-21609
  • Vancir (vancir) - CVE-2023-21610
  • Ashfaq Ansari and Krishnakant Patil - HackSys Inc working with Trend Micro Zero Day Initiative- CVE-2023-21608





 

Revisions:

January 23, 2023: Added CVE-2023-22240; CVE-2023-22241, CVE-2023-22242



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

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