CVE-2017-1000450 : What You Need to Know

OpenCV 3.3 and earlier versions are affected by a crucial vulnerability in the FillUniColor and FillUniGray functions, leading to potential remote code execution or denial of service.

Understanding CVE-2017-1000450

This CVE entry highlights a vulnerability in OpenCV versions 3.3 and earlier that could have severe consequences if exploited.

What is CVE-2017-1000450?

The vulnerability exists in the FillUniColor and FillUniGray functions within opencv/modules/imgcodecs/src/utils.cpp. It stems from the lack of input length verification, which may result in an integer overflow. This flaw can be exploited for remote code execution or denial of service attacks, particularly when processing images from remote sources.

The Impact of CVE-2017-1000450

The consequences of this vulnerability can range from unauthorized remote code execution to denial of service, posing a significant threat to systems utilizing affected OpenCV versions.

Technical Details of CVE-2017-1000450

This section delves into the technical aspects of the CVE, providing insights into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The FillUniColor and FillUniGray functions in OpenCV fail to validate input length, potentially leading to an integer overflow. Exploiting this flaw can result in severe security breaches.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: OpenCV 3.3 and earlier

Exploitation Mechanism

The lack of input length verification in the FillUniColor and FillUniGray functions allows malicious actors to trigger an integer overflow, enabling them to execute remote code or disrupt services.

Mitigation and Prevention

In response to CVE-2017-1000450, it is crucial to implement immediate steps and adopt long-term security practices to mitigate risks effectively.

Immediate Steps to Take

Update OpenCV to a patched version that addresses the vulnerability
Avoid processing images from untrusted or remote sources until the system is secured

Long-Term Security Practices

Regularly monitor for security updates and patches for OpenCV
Conduct security audits to identify and address vulnerabilities proactively

Patching and Updates

Apply patches provided by OpenCV promptly to ensure the vulnerability is mitigated and the system is secure