Bulletin ID
Last updated on
1 November 2021
Security Update Available for Adobe InCopy | APSB21-71
|
|
Date Published |
Priority |
|---|---|---|
|
APSB21-71 |
September 14, 2021 |
3 |
Summary
Adobe has released a security update for Adobe InCopy. This update addresses multiple critical vulnerabilities. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Affected versions
|
Product |
Affected version |
Platform |
|
Adobe InCopy |
16.3.1 and earlier version |
macOS |
|
Adobe InCopy |
16.3 and earlier version |
Windows |
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 |
16.4 |
Windows and macOS |
3 |
|
|
Adobe InCopy |
15.1.4 |
Windows and macOS |
3 |
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 |
CVE Number |
|
|---|---|---|---|---|---|
|
Access of Memory Location After End of Buffer (CWE-788) |
Arbitrary file system write |
Critical |
7.8 |
CVSS3.1:/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVE-2021-39819 |
|
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-2021-39818 |
Acknowledgments
Adobe would like to thank the following researchers for reporting this issue and for working with Adobe to help protect our customers.
- CQY of Topsec Alpha Team (yjdfy) (CVE-2021-39818)
- Trung Tính Phạm (CVE-2021-39819)
Revisions
September 30, 2021: Added additional Solution row for N-1 version.
October 4, 2021: Updated CVSS base score and CVSS vector for CVE-2021-39819.