CVE-2018-3855 : What You Need to Know

A SkCanvas object double free vulnerability in Hyland Perceptive Document Filters version 11.4.0.2647 on x86/x64 Windows/Linux can lead to direct code execution.

Understanding CVE-2018-3855

This CVE involves a critical vulnerability in Hyland Perceptive Document Filters that can result in direct code execution.

What is CVE-2018-3855?

CVE-2018-3855 is a security flaw in Hyland Perceptive Document Filters version 11.4.0.2647 on x86/x64 Windows/Linux. It allows for a SkCanvas object double free, potentially leading to direct code execution.

The Impact of CVE-2018-3855

The vulnerability has a CVSS base score of 8.8, indicating a high severity level. The impact includes high confidentiality, integrity, and availability risks, with no privileges required for exploitation.

Technical Details of CVE-2018-3855

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

A SkCanvas object double free can occur when processing a manipulated OpenDocument document using Hyland Perceptive Document Filters, leading to direct code execution.

Affected Systems and Versions

Product: Perceptive Document Filters
Vendor: Hyland Software, Inc.
Versions Affected: 11.4.0.2647 on x86/x64 Windows/Linux

Exploitation Mechanism

The vulnerability can be exploited by processing a specifically crafted OpenDocument document, triggering the double free of a SkCanvas object and enabling attackers to execute arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2018-3855 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Consider implementing network segmentation to limit the impact of potential attacks.
Educate users about the risks associated with opening untrusted documents.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Implement robust access controls and monitoring mechanisms to detect and prevent unauthorized activities.

Patching and Updates

Stay informed about security advisories and updates from Hyland Software, Inc.
Monitor for any new developments or patches related to CVE-2018-3855.