CVE-2019-7765 : What You Need to Know

Adobe Acrobat and Reader versions 2019.010.20100 and earlier, 2019.010.20099 and earlier, 2017.011.30140 and earlier, 2017.011.30138 and earlier, 2015.006.30495 and earlier, and 2015.006.30493 and earlier have a use after free vulnerability that could lead to arbitrary code execution.

Understanding CVE-2019-7765

Adobe Acrobat and Reader are affected by a use after free vulnerability that poses a risk of arbitrary code execution if successfully exploited.

What is CVE-2019-7765?

CVE-2019-7765 is a use after free vulnerability in Adobe Acrobat and Reader versions 2019.010.20100 and earlier, 2019.010.20099 and earlier, 2017.011.30140 and earlier, 2017.011.30138 and earlier, 2015.006.30495 and earlier, and 2015.006.30493 and earlier.

The Impact of CVE-2019-7765

If exploited, this vulnerability could allow an attacker to execute arbitrary code on the affected system, potentially leading to unauthorized access or control.

Technical Details of CVE-2019-7765

Adobe Acrobat and Reader versions 2019.010.20100 and earlier, 2019.010.20099 and earlier, 2017.011.30140 and earlier, 2017.011.30138 and earlier, 2015.006.30495 and earlier, and 2015.006.30493 and earlier are susceptible to a use after free vulnerability.

Vulnerability Description

A use after free vulnerability in Adobe Acrobat and Reader allows attackers to execute arbitrary code by manipulating memory pointers after the memory has been freed.

Affected Systems and Versions

Adobe Acrobat and Reader versions 2019.010.20100 and earlier
Adobe Acrobat and Reader versions 2019.010.20099 and earlier
Adobe Acrobat and Reader versions 2017.011.30140 and earlier
Adobe Acrobat and Reader versions 2017.011.30138 and earlier
Adobe Acrobat and Reader versions 2015.006.30495 and earlier
Adobe Acrobat and Reader versions 2015.006.30493 and earlier

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious PDF file or by tricking a user into opening a specially crafted document, leading to the execution of arbitrary code.

Mitigation and Prevention

Immediate Steps to Take:

Update Adobe Acrobat and Reader to the latest version.
Exercise caution when opening PDF files from untrusted sources. Long-Term Security Practices:
Regularly update software and apply security patches.
Implement security awareness training to educate users on safe computing practices.
Use additional security measures such as endpoint protection and network monitoring.
Consider implementing sandboxing for PDF files to contain potential threats.

Patching and Updates

Adobe has released security updates to address this vulnerability. Ensure that you apply the latest patches to protect your systems.