Adobe Security Bulletin

Security Updates Available for Adobe Character Animator | APSB21-95

Bulletin ID

Date Published

Priority

ASPB21-95

October 26, 2021     

3

Summary

Adobe has released an update for Adobe Character Animator for Windows and macOS. This update resolves critical, important and moderate vulnerabilities. Successful exploitation could lead to arbitrary code execution and file service reads, privilege escalation, and application denial of service.  

Affected Versions

Product

Version

Platform

Character Animator 2021

4.4 and earlier versions     

Windows and macOS

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 Rating

Availability

Character Animator 2021     

4.4.2                    

Windows and macOS

3

Character Animator 2022  

22.0

Windows and macOS

3

For managed environments, IT administrators can use the Admin Console to deploy Creative Cloud applications to end users. Refer to this help page for more information.

Vulnerability details

Vulnerability Category

Vulnerability Impact

Severity

CVSS base score 

CVE Numbers

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-2021-40762   

Access of Memory Location After End of Buffer

(CWE-788)

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-2021-40763 

Access of Memory Location After End of Buffer (CWE-788

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-2021-40764 

Access of Memory Location After End of Buffer (CWE-788

Arbitrary code executio

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
 

CVE-2021-40765

Out-of-bounds Read (CWE-125

Arbitrary file system read 

Moderate

3.3

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N 
 

CVE-2021-40766 

Access of Memory Location After End of Buffer (CWE-788

Application denial of service 

Important

5.5

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H 

CVE-2021-40767

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-2021-40768  

Out-of-bounds Read (CWE-125

Privilege escalation 

Moderate

4.0

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N 

CVE-2021-40769   

Acknowledgments

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

  • Shape(hy350) HY350 of Topsec Alpha Team CVE-2021-40762; CVE-2021-40768

  • (yjdfy) CQY of Topsec Alpha Team CVE-2021-40763; CVE-2021-40764; CVE-2021-40765; CVE-2021-40767

  • Mat Powell working with Trend Micro Zero Day Initiative (CVE-2021-40769) 
  • Francis Provencher working with Trend Micro Zero Day Initiative (CVE-2021-40766)

 

 

Revisions

  • October 27th, 2021 - Updated acknowledgments for CVE-2021-40769

 

 


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

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