CVE-2019-15939 : Exploit Details and Defense Strategies
Learn about CVE-2019-15939, a vulnerability in OpenCV 4.1.0 that leads to a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize. Find out the impact, affected systems, and mitigation steps.
OpenCV 4.1.0 contains a vulnerability in the cv::HOGDescriptor::getDescriptorSize function that leads to a divide-by-zero error.
Understanding CVE-2019-15939
This CVE entry identifies a specific vulnerability in OpenCV 4.1.0 that can result in a division by zero error.
What is CVE-2019-15939?
The issue lies within the function cv::HOGDescriptor::getDescriptorSize in the hog.cpp file of the objdetect module in OpenCV 4.1.0.
The Impact of CVE-2019-15939
The vulnerability can potentially be exploited to cause denial of service or other security-related issues in systems using OpenCV 4.1.0.
Technical Details of CVE-2019-15939
OpenCV 4.1.0 vulnerability details and affected systems.
Vulnerability Description
The problem arises from a divide-by-zero error in the cv::HOGDescriptor::getDescriptorSize function within the hog.cpp file.
Affected Systems and Versions
- Product: OpenCV
- Vendor: N/A
- Version: 4.1.0
Exploitation Mechanism
The vulnerability can be exploited by triggering the division by zero error in the mentioned function.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2019-15939.
Immediate Steps to Take
- Update OpenCV to a patched version that addresses the divide-by-zero error.
- Monitor for any unusual behavior in systems using OpenCV 4.1.0.
Long-Term Security Practices
- Regularly update software and libraries to the latest secure versions.
- Implement code reviews and security testing to catch similar vulnerabilities early.
Patching and Updates
Ensure timely application of security patches provided by OpenCV to fix the divide-by-zero error.