CVE-2017-3116 Explained : Impact and Mitigation

Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have a memory corruption vulnerability in the MakeAccessible plugin when parsing TrueType font data, potentially leading to arbitrary code execution.

Understanding CVE-2017-3116

A vulnerability in Adobe Acrobat Reader that could allow an attacker to execute arbitrary code.

What is CVE-2017-3116?

This CVE identifies a memory corruption vulnerability in Adobe Acrobat Reader versions, allowing attackers to exploit TrueType font data parsing.

The Impact of CVE-2017-3116

If successfully exploited, this vulnerability could result in the execution of arbitrary code on the affected system.

Technical Details of CVE-2017-3116

Adobe Acrobat Reader vulnerability details.

Vulnerability Description

The vulnerability involves a memory corruption issue in the MakeAccessible plugin when processing TrueType font data.

Affected Systems and Versions

Acrobat Reader 2017.009.20058 and earlier
Acrobat Reader 2017.008.30051 and earlier
Acrobat Reader 2015.006.30306 and earlier
Acrobat Reader 11.0.20 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating TrueType font data, leading to memory corruption and potential code execution.

Mitigation and Prevention

Protecting systems from CVE-2017-3116.

Immediate Steps to Take

Update Adobe Acrobat Reader to the latest version.
Be cautious when opening PDF files from untrusted sources.
Implement security best practices for PDF file handling.

Long-Term Security Practices

Regularly update software and apply security patches.
Educate users on safe PDF file handling practices.

Patching and Updates

Adobe has released patches to address this vulnerability. Ensure all systems running affected versions are updated to the latest secure version.