Headline
CVE-2021-42731: Adobe Security Bulletin
Adobe InDesign versions 16.4 (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted file. 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 file.
Security Update Available for Adobe InDesign | APSB21-107
Bulletin ID
Date Published
Priority
APSB21-107
October 26, 2021
3
Summary
Adobe has released a security update for Adobe InDesign. This update addresses critical and Important vulnerabilities. Successful exploitation could lead to arbitrary code execution and application denial of service.
Affected versions
16.4 and earlier 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 InDesign Help menu and clicking “Updates.” For more information, please reference this help page.
Product
Updated version
Platform
Priority rating
Availability
Adobe InDesign
17.0
Windows and macOS
3
Release Note
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
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-2021-40743
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-2021-42732
Buffer Overflow (CWE-120)
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-2021-42731
Acknowledgments
Adobe would like to thank the following researcher for reporting this issue and for working with Adobe to help protect our customers:
(hy350) HY350 of Topsec Alpha Team CVE-2021-40743
(yjdfy) CQY of Topsec Alpha Team CVE-2021-42732
- (cff_123) CFF of Topsec Alpha Team CVE-2021-42731