CVE-2017-18250 : What You Need to Know
Learn about CVE-2017-18250 affecting ImageMagick 7.0.7. Discover the impact, affected systems, exploitation method, and mitigation steps for this LogOpenCLBuildFailure DoS vulnerability.
ImageMagick 7.0.7 LogOpenCLBuildFailure Function Denial of Service Vulnerability
Understanding CVE-2017-18250
What is CVE-2017-18250?
A vulnerability in ImageMagick 7.0.7 affects the LogOpenCLBuildFailure function in the opencl.c file of MagickCore, allowing attackers to trigger a denial of service via a crafted file.
The Impact of CVE-2017-18250
This vulnerability enables attackers to exploit a NULL pointer dereference, leading to a denial of service attack.
Technical Details of CVE-2017-18250
Vulnerability Description
An issue was discovered in ImageMagick 7.0.7, where a NULL pointer dereference vulnerability in the LogOpenCLBuildFailure function in MagickCore/opencl.c allows for a denial of service via a crafted file.
Affected Systems and Versions
- Product: ImageMagick 7.0.7
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by utilizing a crafted file to trigger the LogOpenCLBuildFailure function, resulting in a denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates promptly.
- Implement proper input validation to prevent crafted file exploitation.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and audits to identify and mitigate potential risks.
Patching and Updates
Ensure that ImageMagick is updated to a secure version that addresses the LogOpenCLBuildFailure vulnerability.