Adobe Security Bulletin

Security update available for Adobe Acrobat and Reader  | APSB23-24

Bulletin ID

Date Published

Priority

APSB23-24

April 11, 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 arbitrary code execution, privilege escalation, security feature bypass and memory leak.                                 

Affected Versions

     

Product

Track

Affected Versions

Platform

Acrobat DC 

Continuous 

23.001.20093 and earlier versions

Windows &  macOS

Acrobat Reader DC

Continuous 

23.001.20093 and earlier versions

 

Windows & macOS




     

Acrobat 2020

Classic 2020           

20.005.30441 and earlier versions

 

Windows & macOS

Acrobat Reader 2020

Classic 2020           

20.005.30441 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

23.001.20143

Windows and macOS

3

Acrobat Reader DC

Continuous

23.001.20143

Windows and macOS

3

Release Notes     

 

 

 

 

 

 

Acrobat 2020

Classic 2020           

20.005.30467

Windows  and macOS  

3

Acrobat Reader 2020

Classic 2020 

20.005.30467

Windows  and macOS 

3

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-2023-26395
Violation of Secure Design Principles (CWE-657)
Privilege escalation
Important 6.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
CVE-2023-26396
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-2023-26397
Improper Input Validation (CWE-20)
Arbitrary code execution
Critical 8.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVE-2023-26405
Improper Access Control (CWE-284)
Security feature bypass
Critical 8.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVE-2023-26406
Improper Input Validation (CWE-20)
Arbitrary code execution
Critical  8.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVE-2023-26407
Improper Access Control (CWE-284)
Security feature bypass
Critical 8.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVE-2023-26408
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-2023-26417
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-2023-26418
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-2023-26419
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-2023-26420
Integer Underflow (Wrap or Wraparound) (CWE-191)
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-2023-26421
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-2023-26422
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-2023-26423
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-2023-26424
Out-of-bounds Read (CWE-125)
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-2023-26425

Acknowledgements

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

  • Mark Vincent Yason (@MarkYason) working with Trend Micro Zero Day Initiative - CVE-2023-26417, CVE-2023-26418, CVE-2023-26419, CVE-2023-26420, CVE-2023-26422, CVE-2023-26423,
  • AbdulAziz Hariri (@abdhariri) of Haboob SA (@HaboobSa) - CVE-2023-26405, CVE-2023-26406, CVE-2023-26407, CVE-2023-26408
  • Anonymous working with Trend Micro Zero Day Initiative - CVE-2023-26424, CVE-2023-26425, CVE-2023-26421
  • Qingyang Chen of Topsec Alpha Team  CVE-2023-26395
  • Koh M. Nakagawa (tsunekoh) - CVE-2023-26396
  • Kai Lu of Zscaler's ThreatLabz - CVE-2023-26397

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

 Adobe

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