CVE-2019-7783 : Security Advisory and Response

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-2019-7783

A use after free vulnerability has been identified 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.

What is CVE-2019-7783?

This CVE refers to a use after free vulnerability in Adobe Acrobat and Reader versions that, if exploited, could allow attackers to execute arbitrary code.

The Impact of CVE-2019-7783

If successfully exploited, this vulnerability could result in the execution of arbitrary code on the affected systems, potentially leading to unauthorized access, data breaches, and system compromise.

Technical Details of CVE-2019-7783

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 affected by this vulnerability.

Vulnerability Description

A use after free vulnerability in the mentioned versions of Adobe Acrobat and Reader allows attackers to manipulate memory and potentially execute arbitrary code.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by an attacker to trigger the use after free condition, allowing them to execute malicious code on the targeted system.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-7783.

Immediate Steps to Take

Update Adobe Acrobat and Reader to the latest patched versions.
Consider implementing security measures to detect and block attempts to exploit this vulnerability.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Educate users on safe browsing habits and the importance of software updates.

Patching and Updates

Adobe has released patches to address this vulnerability. Ensure that all affected systems are updated with the latest security fixes.