Headline
CVE-2021-43012: Adobe Security Bulletin
Adobe Prelude version 10.1 (and earlier) are affected by a memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious M4A file.
Security Updates Available for Adobe Prelude | APSB21-96
Bulletin ID
Date Published
Priority
ASPB21-96
October 26, 2021
3
Summary
Adobe has released an update for Adobe Prelude for Windows and macOS. This update addresses critical and important vulnerabilities. Successful exploitation could lead to arbitrary code execution, memory leak and application denial of service.
Affected Versions
Product
Version
Platform
Adobe Prelude
10.1 and earlier versions
Windows
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
Adobe Prelude
22.0
Windows and macOS
3
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
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-2021-40770
Access of Memory Location After End of Buffer (CWE-788)
Arbitrary code execution
Critical
7.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2021-40771
Access of Memory Location After End of Buffer (CWE-788)
Arbitrary code execution
Critical
7.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2021-40772
NULL Pointer Dereference (CWE-476)
Application denial-of-service
Important
5.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVE-2021-40773
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-2021-40774
Access of Memory Location After End of Buffer (CWE-788)
Arbitrary code execution
Critical
7.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2021-40775
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-2021-42738
CVE-2021-43011
CVE-2021-43012
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-2021-42737
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-2021-42733
Acknowledgments
Adobe would like to thank the following researchers for reporting these issues and for working with Adobe to help protect our customers:
(hy350) HY350 of Topsec Alpha Team (CVE-2021-40773; CVE-2021-40774)
(yjdfy) CQY of Topsec Alpha Team (CVE-2021-40775; CVE-2021-42738; CVE-2021-42737; CVE-2021-42733, CVE-2021-43011, CVE-2021-43012)
(cff_123) CFF of Topsec Alpha Team (CVE-2021-40772; CVE-2021-40771; CVE-2021-40770)
Revisions
- October 28, 2021: Added details for CVE-2021-43011 and CVE-2021-43012.
- November 2, 2021: Updated acknowledgements for CVE-2021-40733.
- November 11, 2021: Updated vulnerability details for CVE-2021-40773
For more information, visit https://helpx.adobe.com/security.html, or email [email protected]