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CVE-2017-11238 : Security Advisory and Response

Learn about CVE-2017-11238 affecting Adobe Acrobat Reader versions 2017.009.20058 and earlier. Discover the impact, technical details, and mitigation steps.

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 are affected by a memory corruption vulnerability in the image conversion engine.

Understanding CVE-2017-11238

A memory corruption vulnerability in Adobe Acrobat Reader versions that could lead to unauthorized code execution.

What is CVE-2017-11238?

        The vulnerability is related to the handling of Enhanced Metafile Format (EMF) data for drawing curves.
        Successful exploitation of this vulnerability could allow attackers to execute arbitrary code.

The Impact of CVE-2017-11238

        Unauthorized code execution poses a significant security risk to systems running the affected versions of Adobe Acrobat Reader.

Technical Details of CVE-2017-11238

Adobe Acrobat Reader is susceptible to a memory corruption vulnerability in the image conversion engine.

Vulnerability Description

        The vulnerability exists in the handling of EMF data related to curve drawing.
        Attackers could exploit this flaw to execute unauthorized code on the affected system.

Affected Systems and Versions

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

Exploitation Mechanism

        Attackers can exploit the vulnerability by manipulating EMF data to trigger the execution of malicious code.

Mitigation and Prevention

Immediate Steps to Take:

        Update Adobe Acrobat Reader to the latest version to patch the vulnerability.
        Exercise caution when opening PDF files from untrusted sources.

Long-Term Security Practices:

        Regularly update software and applications to mitigate potential security risks.
        Implement security best practices to protect against memory corruption vulnerabilities.
        Consider using alternative PDF readers as a security measure.
        Educate users on safe browsing habits and the importance of software updates.

Patching and Updates:

        Adobe has released security updates to address the vulnerability in affected versions of Acrobat Reader.

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