CVE-2019-7759 : Exploit Details and Defense Strategies

A vulnerability has been identified in various versions of Adobe Acrobat and Reader, potentially allowing the execution of unauthorized code.

Understanding CVE-2019-7759

What is CVE-2019-7759?

This CVE affects 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, due to a use after free vulnerability.

The Impact of CVE-2019-7759

This vulnerability could lead to the potential execution of unauthorized code when specific actions are performed after a certain point.

Technical Details of CVE-2019-7759

Vulnerability Description

The vulnerability in Adobe Acrobat and Reader versions allows for the execution of unauthorized code due to a use after free issue.

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 occurs when specific actions are taken after a certain point, triggering the use after free vulnerability and potentially allowing the execution of unauthorized code.

Mitigation and Prevention

Immediate Steps to Take

Update Adobe Acrobat and Reader to the latest patched versions.
Be cautious when interacting with PDF files from untrusted sources.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement security best practices to prevent unauthorized code execution.

Patching and Updates

Ensure that Adobe Acrobat and Reader are regularly updated to the latest versions to mitigate the risk of exploitation.