Headline
CVE-2021-46817: Adobe Security Bulletin
Adobe Media Encoder version 15.4 (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 Media Encoder | APSB21-70
Bulletin ID
Date Published
Priority
APSB21-70
August 17, 2021
3
Summary
Adobe has released an update for Adobe Media Encoder. This update resolves a critical vulnerability that could lead to arbitrary code execution in the context of the current user.
Affected Versions
Product
Version
Platform
Adobe Media Encoder
15.4 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
Adobe Media Encoder
15.4.1
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
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-2021-36070
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-2021-46818
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-2021-46817
Acknowledgments
Adobe would like to thank CQY of Topsec Alpha Team (yjdfy) for reporting the relevant issues and for working with Adobe to help protect our customers.
Revisions
June 9, 2022: CVE numbers revised to CVE-2021-46818 and CVE-2021-46817
May 10, 2022: Affected Version Platform revised.
For more information, visit https://helpx.adobe.com/security.html , or email [email protected]