Headline
CVE-2021-43016: Adobe Security Bulletin
Adobe InCopy version 16.4 (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.
Security Update Available for Adobe InCopy | APSB21-110
Bulletin ID
Date Published
Priority
APSB21-110
November 9, 2021
3
Summary
Adobe has released a security update for Adobe InCopy. This update addresses critical and important vulnerabilities. Successful exploitation could lead to arbitrary code execution and application denial of service.
Affected versions
Solution
Adobe categorizes these updates with the following priority rating and recommends users update their software installations via the Creative Cloud desktop app updater, or by navigating to the InCopy Help menu and clicking “Updates.” For more information, please reference this help page.
Product
Updated version
Platform
Priority rating
Availability
Adobe InCopy
17.0
Windows and macOS
3
Release Notes
For managed environments, IT administrators can use the Creative Cloud Packager to create deployment packages. Refer to this help page for more information.
Vulnerability Details
Vulnerability Category
Vulnerability Impact
Severity
CVSS base score
CVSS vector
CVE Number
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-2021-43015
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-2021-43016
Acknowledgments
Adobe would like to thank the following researchers for reporting this issue and for working with Adobe to help protect our customers.
(yjdfy) CQY of Topsec Alpha Team CVE-2021-43015
(hy350) HY350 of Topsec Alpha Team CVE-2021-43016
_______________________________________________________________________________________
For more information, visit https://helpx.adobe.com/security.html, or email [email protected].