CVE-2020-27750 : What You Need to Know

A flaw in ImageMagick could lead to undefined behavior, impacting application availability and potentially causing other issues.

Understanding CVE-2020-27750

What is CVE-2020-27750?

ImageMagick's flaw in MagickCore/colorspace-private.h and MagickCore/quantum.h could result in values outside the range of type

unsigned char

and math division by zero.

The Impact of CVE-2020-27750

This vulnerability could affect ImageMagick versions prior to 7.0.8-68, potentially leading to application availability issues and other problems related to undefined behavior.

Technical Details of CVE-2020-27750

Vulnerability Description

The flaw in ImageMagick could trigger undefined behavior due to values exceeding the

unsigned char

range and math division by zero.

Affected Systems and Versions

Vendor: n/a
Product: ImageMagick
Affected Versions: prior to 7.0.8-68

Exploitation Mechanism

The vulnerability can be exploited by submitting a crafted file to ImageMagick for processing.

Mitigation and Prevention

Immediate Steps to Take

Update ImageMagick to version 7.0.8-68 or later.
Monitor for any unusual behavior in ImageMagick processing.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement file input validation to prevent crafted file exploitation.

Patching and Updates

Apply security updates provided by ImageMagick to patch the vulnerability.