CVE-2020-3746 Explained : Impact and Mitigation

Adobe Acrobat and Reader versions 2019.021.20061 and earlier, 2017.011.30156 and earlier, 2017.011.30156 and earlier, and 2015.006.30508 and earlier have a use after free vulnerability that could lead to arbitrary code execution.

Understanding CVE-2020-3746

Adobe Acrobat and Reader are affected by a use after free vulnerability, potentially allowing attackers to execute arbitrary code.

What is CVE-2020-3746?

CVE-2020-3746 is a vulnerability in Adobe Acrobat and Reader versions that could be exploited to execute arbitrary code.

The Impact of CVE-2020-3746

Successful exploitation of this vulnerability could result in arbitrary code execution, posing a significant security risk to affected systems.

Technical Details of CVE-2020-3746

Adobe Acrobat and Reader versions 2019.021.20061 and earlier, 2017.011.30156 and earlier, 2017.011.30156 and earlier, and 2015.006.30508 and earlier are susceptible to a use after free vulnerability.

Vulnerability Description

The vulnerability allows attackers to manipulate memory after it has been freed, potentially leading to the execution of malicious code.

Affected Systems and Versions

Adobe Acrobat and Reader versions 2019.021.20061 and earlier
Adobe Acrobat and Reader versions 2017.011.30156 and earlier
Adobe Acrobat and Reader versions 2015.006.30508 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious PDF file and convincing a user to open it, triggering the use after free condition.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risk posed by CVE-2020-3746.

Immediate Steps to Take

Update Adobe Acrobat and Reader to the latest patched versions.
Exercise caution when opening PDF files from untrusted sources.
Implement security best practices to reduce the attack surface.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Educate users about the risks associated with opening files from unknown or suspicious sources.

Patching and Updates

Adobe has released patches to address CVE-2020-3746. Ensure that all affected systems are updated with the latest security fixes.