CVE-2019-13136 Explained : Impact and Mitigation

ImageMagick before version 7.0.8-50 has an integer overflow vulnerability in the function TIFFSeekCustomStream in coders/tiff.c.

Understanding CVE-2019-13136

The following sections provide detailed insights into the CVE-2019-13136 vulnerability.

What is CVE-2019-13136?

The function TIFFSeekCustomStream in coders/tiff.c of ImageMagick prior to version 7.0.8-50 is susceptible to an integer overflow vulnerability.

The Impact of CVE-2019-13136

This vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial of service by exploiting the integer overflow issue.

Technical Details of CVE-2019-13136

Explore the technical aspects of CVE-2019-13136.

Vulnerability Description

The vulnerability lies in the function TIFFSeekCustomStream in coders/tiff.c, allowing for an integer overflow.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions prior to 7.0.8-50 are affected.

Exploitation Mechanism

The vulnerability can be exploited by manipulating the TIFFSeekCustomStream function, leading to potential code execution or denial of service.

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2019-13136 vulnerability.

Immediate Steps to Take

Update ImageMagick to version 7.0.8-50 or later to patch the vulnerability.
Monitor official sources for security advisories and apply patches promptly.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement proper input validation and boundary checks in code to prevent integer overflow vulnerabilities.

Patching and Updates

Apply patches provided by ImageMagick promptly to address the integer overflow vulnerability.