Adobe Security Bulletin

Security Updates Available for Adobe Prelude | APSB21-114

Bulletin ID	Date Published	Priority
ASPB21-114	December 14, 2021	3

Summary

Adobe has released an update for Adobe Prelude for Windows and macOS. This update addresses a  critical and an important vulnerability.  Successful exploitation could lead to arbitrary code execution and privilege escalation.

Affected Versions

Product	Version	Platform
Adobe Prelude	22.0  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	22.1.1	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)	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-2021-43754
Out-of-bounds Read (CWE-125)	Privilege escalation	Important	4.0	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N	CVE-2021-44696

Acknowledgments

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

(yjdfy) CQY of Topsec Alpha Team (CVE-2021-43754)
Mat Powell of Trend Micro Zero Day Initiative (CVE-2021-44696)

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

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