Zscaler, working with Microsoft through their MAPP program, has proactively deployed protections for the following 11 vulnerabilities included in the February 2020 Adobe security bulletins. Zscaler will continue to monitor exploits associated with all vulnerabilities in the February release and deploy additional protections as necessary.

APSB20-05 – Security updates available for Adobe Acrobat and Reader.

Adobe has released security updates for Adobe Acrobat and Reader for Windows and macOS. These updates address critical, important and moderate vulnerabilities. Successful exploitation could lead to arbitrary code execution in the context of the current user. 

Affected Software

• Acrobat DC (Continuous) 2019.021.20061 and earlier versions for Windows & macOS
• Acrobat Reader DC (Continuous) 2019.021.20061 and earlier versions for Windows & macOS
• Acrobat 2017 (Classic 2017) 2017.011.30156 and earlier versions for Windows & macOS
• Acrobat Reader 2017 (Classic 2017) 2017.011.30156 and earlier versions for Windows & macOS
• Acrobat 2015 (Classic 2015) 2015.006.30508 and earlier versions for Windows & macOS
• Acrobat Reader 2015 (Classic 2015) 2015.006.30508 and earlier versions for Windows & macOS

CVE-2020-3741 – Use After Free Vulnerability leading to Arbitrary Code Execution.

Severity: Critical

CVE-2020-3743 – Use After Free Vulnerability leading to Arbitrary Code Execution.

Severity: Critical

CVE-2020-3744 – Out-of-Bounds Read leading to Information Disclosure.

Severity: Important

CVE-2020-3745 – Use After Free Vulnerability leading to Arbitrary Code Execution.

Severity: Critical

CVE-2020-3746 – Use After Free Vulnerability leading to Arbitrary Code Execution.

Severity: Critical

CVE-2020-3747 – Out of Bounds Read Vulnerability leading to Information Disclosure.

Severity: Important

CVE-2020-3748 – Use After Free Vulnerability leading to Arbitrary Code Execution.

Severity: Critical

CVE-2020-3750 – Use After Free Vulnerability leading to Arbitrary Code Execution.

Severity: Critical

CVE-2020-3751 – Use After Free Vulnerability leading to Arbitrary Code Execution.

Severity: Critical

CVE-2020-3752 – Buffer Error leading to Arbitrary Code Execution.

Severity: Critical

CVE-2020-3755 – Out-of-Bounds Read leading to Information Disclosure.

Severity: Important