CVE-2018-11656 Explained : Impact and Mitigation
Learn about CVE-2018-11656, a memory leak vulnerability in ImageMagick 7.0.7-20 Q16 x86_64 that can lead to a denial of service attack via a crafted DCM image file. Find mitigation steps here.
A memory leak vulnerability in ImageMagick 7.0.7-20 Q16 x86_64 can lead to a denial of service attack when processing a specially crafted DCM image file.
Understanding CVE-2018-11656
This CVE involves a memory leak vulnerability in ImageMagick that can be exploited for a denial of service attack.
What is CVE-2018-11656?
ImageMagick 7.0.7-20 Q16 x86_64 is susceptible to a memory leak vulnerability in the ReadDCMImage function in the coders/dcm.c file.
The Impact of CVE-2018-11656
Exploiting this vulnerability allows attackers to trigger a denial of service by using a specifically crafted DCM image file.
Technical Details of CVE-2018-11656
ImageMagick 7.0.7-20 Q16 x86_64 is affected by a memory leak vulnerability in the ReadDCMImage function.
Vulnerability Description
The vulnerability allows attackers to cause a denial of service by utilizing a specially crafted DCM image file.
Affected Systems and Versions
- Product: ImageMagick
- Version: 7.0.7-20 Q16 x86_64
Exploitation Mechanism
Attackers can exploit this vulnerability by using a specifically crafted DCM image file to trigger a denial of service.
Mitigation and Prevention
To address CVE-2018-11656, follow these steps:
Immediate Steps to Take
- Apply vendor patches promptly.
- Avoid opening untrusted DCM image files.
Long-Term Security Practices
- Regularly update ImageMagick to the latest version.
- Implement proper input validation to prevent malicious image files.
Patching and Updates
Ensure that ImageMagick is regularly updated with the latest security patches.