Description:
Security updates are released for Adobe Reader and Acrobat to address multiple vulnerabilities. To exploit the vulnerabilities, a remote attacker would entice a targeted user to open a specially crafted PDF file.
Affected Systems:
- Acrobat DC for Windows and macOS Continuous 2020.012.20048 and earlier versions
- Acrobat Reader DC for Windows and macOS Continuous 2020.012.20048 and earlier versions
- Acrobat 2020 for Windows and macOS Classic 2020 2020.001.30005 and earlier versions
- Acrobat Reader 2020 for Windows and macOS Classic 2020 2020.001.30005 and earlier versions
- Acrobat 2017 for Windows and macOS Classic 2017 2017.011.30175 and earlier versions
- Acrobat Reader 2017 for Windows and macOS Classic 2017 2017.011.30175 and earlier versions
Impact:
Depending on the vulnerability exploited, a successful exploitation could lead to arbitrary code execution, arbitrary JavaScript execution, local privilege escalation, information disclosure and dynamic library injection 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 2020.013.20064
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Mac
- Acrobat Reader DC for Windows and macOS Continuous 2020.013.20064
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Mac
- Acrobat 2020 for Windows and macOS Classic 2020 2020.001.30010
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Mac
- Acrobat Reader 2020 for Windows and macOS Classic 2020 2020.001.30010
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Mac
- Acrobat 2017 for Windows and macOS Classic 2017 2017.011.30180
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Mac
- Acrobat Reader 2017 for Windows and macOS Classic 2017 2017.011.30180
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Mac
More Information:
https://helpx.adobe.com/security/products/acrobat/apsb20-67.html
https://www.hkcert.org/my_url/en/alert/20110401
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24426 (to CVE-2020-24439)