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 and macOS Continuous 21.007.20099 and earlier versions
- Acrobat Reader DC for Windows and macOS Continuous 21.007.20099 and earlier versions
- Acrobat 2020 for Windows and macOS Classic 2020 20.004.30017 and earlier versions
- Acrobat Reader 2020 for Windows and macOS Classic 2020 20.004.30017 and earlier versions
- Acrobat 2017 for Windows and macOS Classic 2017 17.011.30204 and earlier versions
- Acrobat Reader 2017 for Windows and macOS Classic 2017 17.011.30204 and earlier versions
Impact:
A successful exploitation could lead to arbitrary code execution, denial of service, information disclosure, privilege escalation and security feature bypass 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 21.011.20039
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
- Acrobat Reader DC for Windows and macOS Continuous 21.011.20039
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
- Acrobat 2020 for Windows and macOS Classic 2020 20.004.30020
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
- Acrobat Reader 2020 for Windows and macOS Classic 2020 20.004.30020
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
- Acrobat 2017 for Windows and macOS Classic 2017 17.011.30207
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3
- Acrobat Reader 2017 for Windows and macOS Classic 2017 17.011.30207
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3
More Information:
- https://helpx.adobe.com/security/products/acrobat/apsb22-01.html
- https://www.hkcert.org/security-bulletin/adobe-monthly-security-update-january-2022
- https://www.cisa.gov/uscert/ncas/current-activity/2022/01/11/adobe-releases-security-updates-multiple-products
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44701 (to CVE-2021-44715)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44739 (to CVE-2021-44742)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45060 (to CVE-2021-45064)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45067 (to CVE-2021-45068)