CVE-2020-3763 : Security Advisory and Response

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 privilege escalation vulnerability that could lead to arbitrary file system write.

Understanding CVE-2020-3763

Adobe Acrobat and Reader are affected by a privilege escalation vulnerability that poses a risk of arbitrary file system write when exploited.

What is CVE-2020-3763?

CVE-2020-3763 is a privilege escalation vulnerability found in 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.

The Impact of CVE-2020-3763

Successful exploitation of this vulnerability could allow an attacker to escalate privileges and perform unauthorized write operations on the file system.

Technical Details of CVE-2020-3763

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 affected by this vulnerability.

Vulnerability Description

The vulnerability in Adobe Acrobat and Reader allows attackers to escalate privileges, potentially leading to arbitrary file system write actions.

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

The vulnerability can be exploited by malicious actors to gain elevated privileges and manipulate the file system.

Mitigation and Prevention

To address CVE-2020-3763, follow these steps:

Immediate Steps to Take

Update Adobe Acrobat and Reader to the latest patched versions.
Monitor for any suspicious file system activities.
Implement the principle of least privilege to restrict user permissions.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Conduct security audits and vulnerability assessments periodically.

Patching and Updates

Adobe has released patches to address this vulnerability. Ensure all affected systems are updated to the latest versions.