CVE-2019-13308 : Security Advisory and Response
Learn about CVE-2019-13308, a heap-based buffer overflow vulnerability in ImageMagick version 7.0.8-50 Q16. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A heap-based buffer overflow vulnerability exists in the ComplexImage function within the file fourier.c of ImageMagick version 7.0.8-50 Q16.
Understanding CVE-2019-13308
What is CVE-2019-13308?
The vulnerability is a heap-based buffer overflow in ImageMagick version 7.0.8-50 Q16, specifically in the ComplexImage function in the file fourier.c.
The Impact of CVE-2019-13308
This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by crashing the application.
Technical Details of CVE-2019-13308
Vulnerability Description
The vulnerability is a heap-based buffer overflow in the ComplexImage function in the file fourier.c of ImageMagick version 7.0.8-50 Q16.
Affected Systems and Versions
- Product: ImageMagick
- Vendor: N/A
- Versions: 7.0.8-50 Q16
Exploitation Mechanism
The vulnerability can be exploited by an attacker to trigger the buffer overflow through specially crafted image files or inputs.
Mitigation and Prevention
Immediate Steps to Take
- Apply the necessary patches provided by ImageMagick to address the vulnerability.
- Avoid opening untrusted image files or inputs from unknown sources.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Implement proper input validation mechanisms to prevent buffer overflows.
- Monitor security advisories for ImageMagick and apply updates promptly.
Patching and Updates
Ensure that ImageMagick is updated to a version that includes a fix for the heap-based buffer overflow vulnerability.