CVE-2019-13295 : What You Need to Know
Learn about CVE-2019-13295, a vulnerability in ImageMagick 7.0.8-50 Q16 that allows a heap-based buffer over-read. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
ImageMagick 7.0.8-50 Q16 has a heap-based buffer over-read due to a mishandling of a width of zero in the AdaptiveThresholdImage function in MagickCore/threshold.c.
Understanding CVE-2019-13295
What is CVE-2019-13295?
The vulnerability in ImageMagick 7.0.8-50 Q16 allows for a heap-based buffer over-read, potentially leading to security breaches.
The Impact of CVE-2019-13295
The vulnerability can be exploited to cause a heap-based buffer over-read, which may compromise the confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2019-13295
Vulnerability Description
The issue arises from a mishandling of a width of zero in the AdaptiveThresholdImage function in MagickCore/threshold.c, leading to a heap-based buffer over-read.
Affected Systems and Versions
- Product: ImageMagick
- Vendor: N/A
- Versions: 7.0.8-50 Q16
Exploitation Mechanism
The vulnerability can be exploited by manipulating the width parameter in the AdaptiveThresholdImage function, causing a heap-based buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by ImageMagick.
- Implement proper input validation to prevent malicious inputs.
- Monitor for any unusual activities on the system.
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 the latest version to patch the vulnerability and enhance system security.