CVE-2018-19565 : What You Need to Know

A buffer over-read vulnerability in the crop_masked_pixels function of dcraw up to version 9.28 could allow attackers to crash applications or access confidential data.

Understanding CVE-2018-19565

Attackers exploiting this vulnerability could potentially disrupt applications using the affected dcraw code.

What is CVE-2018-19565?

The CVE-2018-19565 vulnerability involves a buffer over-read in the crop_masked_pixels function of dcraw up to version 9.28, enabling attackers to crash applications or potentially access sensitive information.

The Impact of CVE-2018-19565

Exploitation of this vulnerability could lead to application crashes or unauthorized access to confidential data, posing a risk to system integrity and data security.

Technical Details of CVE-2018-19565

This section provides detailed technical insights into the CVE-2018-19565 vulnerability.

Vulnerability Description

The vulnerability lies in the crop_masked_pixels function of dcraw up to version 9.28, allowing attackers to trigger a buffer over-read by providing malicious files.

Affected Systems and Versions

Affected System: dcraw up to version 9.28
Affected Versions: All versions up to 9.28

Exploitation Mechanism

Attackers with the ability to supply malicious files can exploit the vulnerability in the crop_masked_pixels function to crash applications or potentially extract confidential information.

Mitigation and Prevention

Protecting systems from CVE-2018-19565 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update dcraw to the latest version to patch the vulnerability.
Implement file input validation to prevent malicious file execution.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and audits to identify vulnerabilities.
Educate users and developers on secure coding practices and threat awareness.

Patching and Updates

Regularly apply security patches and updates to all software components to address known vulnerabilities and enhance system security.