CVE-2019-7804 : Exploit Details and Defense Strategies

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 an out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution.

Understanding CVE-2019-7804

An out-of-bounds write vulnerability has been detected in Adobe Acrobat and Reader versions 2019.010.20100 and previous, 2019.010.20099 and previous, 2017.011.30140 and previous, 2017.011.30138 and previous, 2015.006.30495 and previous, as well as 2015.006.30493 and previous. If successfully exploited, this vulnerability could result in the execution of arbitrary code.

What is CVE-2019-7804?

CVE-2019-7804 is an out-of-bounds write vulnerability found in Adobe Acrobat and Reader versions.
Successful exploitation of this vulnerability could allow attackers to execute arbitrary code on the affected system.

The Impact of CVE-2019-7804

The vulnerability poses a significant risk as it could lead to unauthorized execution of arbitrary code on the affected systems.

Technical Details of CVE-2019-7804

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 are affected by this vulnerability.

Vulnerability Description

Type: Out-of-Bounds Write
Description: The vulnerability allows for an out-of-bounds write, potentially leading to arbitrary code execution.

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

Attackers can exploit this vulnerability to write data beyond the allocated memory boundaries, potentially leading to the execution of malicious code.

Mitigation and Prevention

Immediate Steps to Take

Update Adobe Acrobat and Reader to the latest patched versions.
Avoid opening PDF files from untrusted or unknown sources.
Monitor vendor security advisories for updates and patches. Long-Term Security Practices
Implement regular software updates and security patches.
Utilize endpoint protection solutions to detect and prevent exploitation attempts.
Conduct security training for users on identifying and handling suspicious files.

Patching and Updates

Adobe has released patches to address this vulnerability. Ensure that all affected systems are updated to the latest versions to mitigate the risk of exploitation.