Description:
Security updates are released for Adobe Reader and Acrobat to address multiple vulnerabilities. A remote attacker would entice a targeted user to open a specially crafted PDF file to exploit the vulnerabilities.
Affected Systems:
- Acrobat DC (for Windows) Continuous 22.003.20282 and earlier versions
- Acrobat DC (for macOS) Continuous 22.003.20281 and earlier versions
- Acrobat Reader DC (for Windows) Continuous 22.003.20282 and earlier versions
- Acrobat Reader DC (for macOS) Continuous 22.003.20281 and earlier versions
- Acrobat 2020 (for Windows and macOS) Classic 2020 20.005.30418 and earlier versions
- Acrobat Reader 2020 (for Windows and macOS) Classic 2020 20.005.30418 and earlier versions
Impact:
A successful exploitation could lead to arbitrary code execution, denial of service, elevation of privilege and information disclosure on an affected system.
Recommendation:
Users of affected systems should update the Adobe Reader and Acrobat to the following versions to address the issues. The updates can be obtained by using the auto-update mechanism or by downloading at the following URLs:
- Acrobat DC (for Windows and macOS) Continuous 22.003.20310
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
- Acrobat Reader DC (for Windows and macOS) Continuous 22.003.20310
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
- Acrobat 2020 (for Windows and macOS) Classic 2020 20.005.30436
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
- Acrobat Reader 2020 (for Windows and macOS) Classic 2020 20.005.30436
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
More Information:
- https://helpx.adobe.com/security/products/acrobat/apsb23-01.html
- https://www.hkcert.org/security-bulletin/adobe-monthly-security-update-january-2023
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21579
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21581
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21585 (to CVE-2023-21586)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21604 (to CVE-2023-21614)