CVE-2019-15140 : What You Need to Know
Learn about CVE-2019-15140, a vulnerability in ImageMagick 7.0.8-43 Q16 that allows remote attackers to cause a denial of service. Find out how to mitigate and prevent this issue.
A vulnerability has been discovered in coders/mat.c file of ImageMagick 7.0.8-43 Q16, which could potentially be exploited by remote attackers. This vulnerability could lead to a denial of service, causing a use-after-free and application crash, or it may have other unspecified impacts. The issue arises due to improper handling of a Matlab image file in the ReadImage function of MagickCore/constitute.c.
Understanding CVE-2019-15140
What is CVE-2019-15140?
coders/mat.c in ImageMagick 7.0.8-43 Q16 allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly have unspecified other impact by crafting a Matlab image file that is mishandled in ReadImage in MagickCore/constitute.c.
The Impact of CVE-2019-15140
This vulnerability could potentially be exploited by remote attackers, leading to a denial of service, use-after-free, application crash, or other unspecified impacts.
Technical Details of CVE-2019-15140
Vulnerability Description
coders/mat.c in ImageMagick 7.0.8-43 Q16 allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly have unspecified other impact by crafting a Matlab image file that is mishandled in ReadImage in MagickCore/constitute.c.
Affected Systems and Versions
- Product: ImageMagick
- Version: 7.0.8-43 Q16
Exploitation Mechanism
The vulnerability can be exploited by remote attackers through crafting a malicious Matlab image file that is mishandled in the ReadImage function of MagickCore/constitute.c.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by ImageMagick.
- Consider implementing proper input validation mechanisms to prevent crafted image files from causing vulnerabilities.
Long-Term Security Practices
- Regularly update and patch ImageMagick to address known vulnerabilities.
- Monitor security advisories and mailing lists for any new information on vulnerabilities.
Patching and Updates
Ensure that ImageMagick is kept up to date with the latest patches and security updates.