CVE-2021-30046 Explained : Impact and Mitigation

VIGRA Computer Vision Library Version-1-11-1 contains a segmentation fault vulnerability in the impex.hxx read_image_band() function, allowing a crafted file to trigger a denial of service.

Understanding CVE-2021-30046

This CVE describes a vulnerability in VIGRA Computer Vision Library Version-1-11-1 that can be exploited to cause a denial of service through a crafted file.

What is CVE-2021-30046?

CVE-2021-30046 is a vulnerability found in the impex.hxx read_image_band() function of VIGRA Computer Vision Library Version-1-11-1, allowing malicious actors to disrupt services by exploiting the vulnerability.

The Impact of CVE-2021-30046

The impact of this vulnerability is the potential for a denial of service attack on systems that utilize the affected VIGRA version. It can lead to service disruption and downtime.

Technical Details of CVE-2021-30046

This section details the technical aspects of CVE-2021-30046.

Vulnerability Description

The vulnerability resides in the impex.hxx read_image_band() function of VIGRA Computer Vision Library Version-1-11-1, where a specially crafted file can trigger a segmentation fault, leading to a denial of service.

Affected Systems and Versions

The vulnerability affects VIGRA Computer Vision Library Version-1-11-1.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by providing a specially crafted file to the read_image_band() function, causing it to crash and disrupt the service.

Mitigation and Prevention

Here are some steps to mitigate and prevent exploitation of CVE-2021-30046.

Immediate Steps to Take

Update VIGRA Computer Vision Library to a secure version that patches this vulnerability.
Implement proper file input validation mechanisms to prevent the execution of malicious code.

Long-Term Security Practices

Regularly monitor and update the VIGRA library to ensure you are running the latest secure version.
Educate developers on secure coding practices to avoid similar vulnerabilities in the future.

Patching and Updates

Keep track of security advisories related to VIGRA and promptly apply any patches or updates released by the library maintainers.