CVE-2017-8346 Explained : Impact and Mitigation

ImageMagick 7.0.5-5 allows a memory leak leading to a denial of service via a crafted file in the ReadDCMImage function in dcm.c.

Understanding CVE-2017-8346

A memory leak vulnerability in ImageMagick 7.0.5-5 can be exploited by malicious actors to cause a denial of service.

What is CVE-2017-8346?

The vulnerability in ImageMagick 7.0.5-5 allows attackers to trigger a denial of service by utilizing a specifically crafted file in the ReadDCMImage function in dcm.c.

The Impact of CVE-2017-8346

This vulnerability can be exploited by malicious actors to cause a denial of service, potentially disrupting the normal operation of affected systems.

Technical Details of CVE-2017-8346

ImageMagick 7.0.5-5 is susceptible to a memory leak vulnerability that can lead to a denial of service.

Vulnerability Description

The ReadDCMImage function in dcm.c within ImageMagick 7.0.5-5 is the source of the vulnerability, allowing attackers to trigger a denial of service through a specially crafted file.

Affected Systems and Versions

Product: ImageMagick
Vendor: N/A
Versions: 7.0.5-5

Exploitation Mechanism

Malicious actors can exploit this vulnerability by providing a specifically crafted file to the ReadDCMImage function in dcm.c, causing a memory leak and subsequent denial of service.

Mitigation and Prevention

Immediate action and long-term security practices can help mitigate the risks associated with CVE-2017-8346.

Immediate Steps to Take

Apply security patches or updates provided by ImageMagick promptly.
Implement proper input validation mechanisms to prevent the execution of malicious files.
Monitor system resources for any signs of abnormal memory consumption.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and audits to identify and remediate potential weaknesses.
Educate users and administrators about safe file handling practices to prevent exploitation.

Patching and Updates

Ensure that the affected ImageMagick version 7.0.5-5 is updated to a patched version to eliminate the memory leak vulnerability and prevent denial of service attacks.