Bulletin ID
Last updated on
Security update available for Adobe Acrobat and Reader | APSB23-24
|
|
Date Published |
Priority |
|---|---|---|
|
APSB23-24 |
April 11, 2023 |
3 |
Summary
Affected Versions
|
Track |
Affected Versions |
Platform |
|
|
Acrobat DC |
Continuous |
23.001.20093 and earlier versions |
Windows & macOS |
|
Acrobat Reader DC |
Continuous |
23.001.20093 and earlier versions
|
Windows & macOS |
|
|
|
||
|
Acrobat 2020 |
Classic 2020 |
20.005.30441 and earlier versions
|
Windows & macOS |
|
Acrobat Reader 2020 |
Classic 2020 |
20.005.30441 and earlier versions |
Windows & macOS |
For questions regarding Acrobat DC, please visit the Acrobat DC FAQ page.
For questions regarding Acrobat Reader DC, please visit the Acrobat Reader 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:
|
Track |
Updated Versions |
Platform |
Priority Rating |
Availability |
|
|
Acrobat DC |
Continuous |
23.001.20143 |
Windows and macOS |
3 |
|
|
Acrobat Reader DC |
Continuous |
23.001.20143 |
Windows and macOS |
3 |
|
|
|
|
|
|
|
|
|
Acrobat 2020 |
Classic 2020 |
20.005.30467 |
Windows and macOS |
3 |
|
|
Acrobat Reader 2020 |
Classic 2020 |
20.005.30467 |
Windows and macOS |
3 |
Vulnerability Details
| Vulnerability Category | Vulnerability Impact | Severity | CVSS base score | CVSS vector | CVE Number |
| Out-of-bounds Write (CWE-787) |
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-2023-26395 |
| Violation of Secure Design Principles (CWE-657) |
Privilege escalation |
Important | 6.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L |
CVE-2023-26396 |
| 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-2023-26397 |
| Improper Input Validation (CWE-20) |
Arbitrary code execution |
Critical | 8.6 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
CVE-2023-26405 |
| Improper Access Control (CWE-284) |
Security feature bypass |
Critical | 8.6 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
CVE-2023-26406 |
| Improper Input Validation (CWE-20) |
Arbitrary code execution |
Critical | 8.6 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
CVE-2023-26407 |
| Improper Access Control (CWE-284) |
Security feature bypass |
Critical | 8.6 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
CVE-2023-26408 |
| Use After Free (CWE-416) |
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-2023-26417 |
| Use After Free (CWE-416) |
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-2023-26418 |
| Use After Free (CWE-416) |
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-2023-26419 |
| Use After Free (CWE-416) |
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-2023-26420 |
| Integer Underflow (Wrap or Wraparound) (CWE-191) |
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-2023-26421 |
| Use After Free (CWE-416) |
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-2023-26422 |
| Use After Free (CWE-416) |
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-2023-26423 |
| Use After Free (CWE-416) |
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-2023-26424 |
| Out-of-bounds Read (CWE-125) |
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-2023-26425 |
Acknowledgements
Adobe would like to thank the following for reporting these issues and for working with Adobe to help protect our customers:
- Mark Vincent Yason (@MarkYason) working with Trend Micro Zero Day Initiative - CVE-2023-26417, CVE-2023-26418, CVE-2023-26419, CVE-2023-26420, CVE-2023-26422, CVE-2023-26423,
- AbdulAziz Hariri (@abdhariri) of Haboob SA (@HaboobSa) - CVE-2023-26405, CVE-2023-26406, CVE-2023-26407, CVE-2023-26408
- Anonymous working with Trend Micro Zero Day Initiative - CVE-2023-26424, CVE-2023-26425, CVE-2023-26421
- Qingyang Chen of Topsec Alpha Team CVE-2023-26395
- Koh M. Nakagawa (tsunekoh) - CVE-2023-26396
- Kai Lu of Zscaler's ThreatLabz - CVE-2023-26397
For more information, visit https://helpx.adobe.com/security.html, or email PSIRT@adobe.com.