CVE-2020-19667 : Vulnerability Insights and Analysis
Learn about CVE-2020-19667, a vulnerability in ImageMagick 7.0.10-7 that allows attackers to trigger a stack-based buffer overflow and execute arbitrary code. Find mitigation steps here.
CVE-2020-19667 involves a stack-based buffer overflow and unconditional jump in ReadXPMImage in coders/xpm.c in ImageMagick 7.0.10-7.
Understanding CVE-2020-19667
What is CVE-2020-19667?
CVE-2020-19667 is a vulnerability in ImageMagick that allows attackers to trigger a stack-based buffer overflow and execute an unconditional jump.
The Impact of CVE-2020-19667
This vulnerability can be exploited by malicious actors to potentially execute arbitrary code or cause a denial of service (DoS) on systems running the affected ImageMagick version.
Technical Details of CVE-2020-19667
Vulnerability Description
The issue arises from a stack-based buffer overflow and an unconditional jump in the ReadXPMImage function within the coders/xpm.c file of ImageMagick version 7.0.10-7.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions Affected: ImageMagick 7.0.10-7
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious XPM image file and tricking a user or system into processing it using the vulnerable ImageMagick version.
Mitigation and Prevention
Immediate Steps to Take
- Update ImageMagick to a non-vulnerable version.
- Avoid processing untrusted XPM image files.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
Ensure timely installation of security updates and patches provided by ImageMagick to address CVE-2020-19667.