Headline

CVE-2021-40762: Adobe Security Bulletin

Adobe Character Animator version 4.4 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

2 years ago

CVE

Open in Source

#vulnerability #mac #windows #dos

Security Updates Available for Adobe Character Animator | APSB21-95

Bulletin ID

Date Published

Priority

ASPB21-95

October 26, 2021

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

Download Center

Character Animator 2022

22.0

Windows and macOS

Download Center

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

CVSS vector

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](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAANSURBVBhXY2BgYGAAAAAFAAGKM+MAAAAAAElFTkSuQmCC)(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