CVE-2019-7823 : Security Advisory and Response

A use after free vulnerability has been identified in Adobe Acrobat and Reader versions released prior to 2019.010.20100, 2019.010.20099, 2017.011.30140, 2017.011.30138, 2015.006.30495, and 2015.006.30493. If this vulnerability is successfully exploited, it may result in arbitrary code execution.

Understanding CVE-2019-7823

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

What is CVE-2019-7823?

A use after free vulnerability has been identified in Adobe Acrobat and Reader versions released prior to specific versions. This vulnerability, if exploited, could allow an attacker to execute arbitrary code on the affected system.

The Impact of CVE-2019-7823

If successfully exploited, CVE-2019-7823 could result in arbitrary code execution, potentially allowing an attacker to take control of the affected system.

Technical Details of CVE-2019-7823

Adobe Acrobat and Reader versions prior to specific versions are affected by a use after free vulnerability.

Vulnerability Description

A use after free vulnerability in Adobe Acrobat and Reader versions could be exploited to execute arbitrary code on the system.

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 could be exploited by an attacker to trigger a use after free condition, leading to arbitrary code execution.

Mitigation and Prevention

Immediate Steps to Take:

Update Adobe Acrobat and Reader to the latest patched versions.
Be cautious when opening PDF files from untrusted sources.
Monitor vendor security advisories for updates. Long-Term Security Practices:
Regularly update software and applications to patch known vulnerabilities.
Implement security best practices to prevent and detect potential attacks.
Educate users on safe browsing habits and the risks associated with opening unknown files.

Patching and Updates

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