Headline
CVE-2022-35691: Adobe Security Bulletin
Adobe Acrobat Reader versions 22.002.20212 (and earlier) and 20.005.30381 (and earlier) are affected by a NULL Pointer Dereference vulnerability. 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 Acrobat and Reader | APSB22-46
Bulletin ID
Date Published
Priority
APSB22-46
October 11, 2022
3
Summary
Adobe has released security updates for Adobe Acrobat and Reader for Windows and macOS. These updates address critical and important vulnerabilities. Successful exploitation could lead to application denial-of-service and memory leak.
Affected Versions
Product
Track
Affected Versions
Platform
Acrobat DC
Continuous
22.002.20212 and earlier versions
Windows & macOS
Acrobat Reader DC
Continuous
22.002.20212 and earlier versions
Windows & macOS
Acrobat 2020
Classic 2020
20.005.30381 and earlier versions
Windows & macOS
Acrobat Reader 2020
Classic 2020
20.005.30381 and earlier versions
Windows & macOS
For questions regarding Acrobat DC, please visit the Acrobat DC FAQ page.
Solution
Adobe recommends users update their software installations to the latest versions by following the instructions below.
The latest product versions are available to end users via one of the following methods:
Users can update their product installations manually by choosing Help > Check for Updates.
The products will update automatically, without requiring user intervention, when updates are detected.
The full Acrobat Reader installer can be downloaded from the Acrobat Reader Download Center.
For IT administrators (managed environments):
Refer to the specific release note version for links to installers.
Install updates via your preferred methodology, such as AIP-GPO, bootstrapper, SCUP/SCCM (Windows), or on macOS, Apple Remote Desktop and SSH.
Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:
Product
Track
Updated Versions
Platform
Priority Rating
Availability
Acrobat DC
Continuous
22.003.20258
Windows and macOS
3
Release Notes
Acrobat Reader DC
Continuous
22.003.20258
Windows and macOS
3
Release Notes
Acrobat 2020
Classic 2020
20.005.30407
Windows and macOS
3
Release Notes
Acrobat Reader 2020
Classic 2020
20.005.30407
Windows and macOS
3
Release Notes
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-2022-35691
Use After Free (CWE-416)
Memory Leak
Important
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVE-2022-38437
Stack-based Buffer Overflow (CWE-121)
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-2022-38450
Stack-based Buffer Overflow (CWE-121)
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-2022-42339
Out-of-bounds Read (CWE-125)
Memory leak
Important
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVE-2022-38449
Out-of-bounds Read (CWE-125)
Memory leak
Important
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVE-2022-42342
Acknowledgements
Adobe would like to thank the following for reporting these issues and for working with Adobe to help protect our customers:
Suyue Guo and Wei You from Renmin University of China (ruc_se_sec) - CVE-2022-35691
Gil Mansharov (gilmansharov) - CVE-2022-38437
Rocco Calvi (@TecR0c) working with Trend Micro Zero Day Initiative - CVE-2022-42342
soiax working with Trend Micro Zero Day Initiative - CVE-2022-38449
Zhiyuan Wang、Li shuang and willJ of vulnerability research institute - CVE-2022-42339,
CVE-2022-38450
Revisions:
July 26, 2022: Added CVE details for CVE-2022-35669
May 9th, 2022: Added CVE details for CVE-2022-28837, CVE-2022-28838
April 18, 2022: Updated acknowledgement for CVE-2022-24102, CVE-2022-24103, CVE-2022-24104
For more information, visit https://helpx.adobe.com/security.html, or email [email protected].
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