CVE-2019-7043 : Security Advisory and Response

Adobe Acrobat and Reader versions 2019.010.20069 and earlier, 2017.011.30113 and earlier, and 2015.006.30464 and earlier are affected by a use after free vulnerability that could lead to arbitrary code execution.

Understanding CVE-2019-7043

This CVE identifies a critical vulnerability in Adobe Acrobat and Reader that could be exploited to execute arbitrary code.

What is CVE-2019-7043?

CVE-2019-7043 is a use after free vulnerability found in earlier versions of Adobe Acrobat and Reader. If successfully exploited, it could allow attackers to execute arbitrary code on the affected system.

The Impact of CVE-2019-7043

The exploitation of this vulnerability could result in the execution of arbitrary code, potentially leading to a complete compromise of the affected system.

Technical Details of CVE-2019-7043

Adobe Acrobat and Reader versions 2019.010.20069 and earlier, 2017.011.30113 and earlier, and 2015.006.30464 and earlier are susceptible to this use after free vulnerability.

Vulnerability Description

A use after free vulnerability allows an attacker to manipulate memory after it has been freed, potentially leading to the execution of arbitrary code.

Affected Systems and Versions

Adobe Acrobat and Reader 2019.010.20069 and earlier
Adobe Acrobat and Reader 2017.011.30113 and earlier
Adobe Acrobat and Reader 2015.006.30464 and earlier

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious PDF file and convincing a user to open it, triggering the use after free condition and executing arbitrary code.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risk posed by CVE-2019-7043.

Immediate Steps to Take

Update Adobe Acrobat and Reader to the latest version to patch the vulnerability.
Exercise caution when opening PDF files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and applications to ensure the latest security patches are applied.
Implement security awareness training to educate users on safe practices when handling email attachments and files.

Patching and Updates

Adobe has released security updates to address this vulnerability. It is recommended to promptly apply these patches to secure the affected systems.