CVE-2017-11258 : Security Advisory and Response

A vulnerability in 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 has been discovered. This vulnerability occurs in the image conversion engine while processing private data and the embedded GIF image in the Enhanced Metafile Format (EMF). If successfully exploited, this vulnerability could result in the execution of arbitrary code.

Understanding CVE-2017-11258

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.

What is CVE-2017-11258?

This CVE identifies a memory corruption vulnerability in Adobe Acrobat Reader versions, allowing attackers to execute arbitrary code by exploiting the image conversion engine processing private data and embedded GIF images in EMF.

The Impact of CVE-2017-11258

Successful exploitation could lead to arbitrary code execution on the affected system.

Technical Details of CVE-2017-11258

Adobe Acrobat Reader versions are susceptible to memory corruption vulnerabilities.

Vulnerability Description

The vulnerability lies in the image conversion engine of Adobe Acrobat Reader, specifically when handling private data and embedded GIF images in EMF files.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious EMF files containing specially designed private data and GIF images to trigger arbitrary code execution.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-11258.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update software and applications to mitigate known vulnerabilities.
Implement security best practices to protect against memory corruption exploits.

Patching and Updates

Adobe has released security updates to address this vulnerability. Ensure that all systems running affected versions of Adobe Acrobat Reader are updated to the latest patched version.