CVE-2017-12603 : Security Advisory and Response

OpenCV (Open Source Computer Vision Library) through version 3.3 has a vulnerability in the cv::RLByteStream::getBytes function, leading to an incorrect write operation when reading image files using cv::imread.

Understanding CVE-2017-12603

This CVE involves a flaw in OpenCV that can result in an incorrect write operation when processing image files.

What is CVE-2017-12603?

The cv::RLByteStream::getBytes function in OpenCV versions up to 3.3 has a flaw that causes an incorrect write operation, particularly noticeable when reading image files using cv::imread.

The Impact of CVE-2017-12603

This vulnerability can be exploited to trigger a heap overflow, potentially leading to arbitrary code execution or denial of service.

Technical Details of CVE-2017-12603

OpenCV's vulnerability in the cv::RLByteStream::getBytes function can have severe consequences if exploited.

Vulnerability Description

The flaw in the cv::RLByteStream::getBytes function allows for an invalid write operation, which can be triggered when processing image files using cv::imread.

Affected Systems and Versions

OpenCV versions up to 3.3 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by manipulating image files to trigger the incorrect write operation, potentially leading to a heap overflow.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2017-12603.

Immediate Steps to Take

Update OpenCV to a patched version that addresses the vulnerability.
Avoid processing untrusted image files using vulnerable versions of OpenCV.

Long-Term Security Practices

Regularly update software and libraries to mitigate known vulnerabilities.
Implement input validation and sanitization to prevent exploitation of similar flaws.

Patching and Updates

Apply security patches provided by OpenCV to fix the vulnerability and enhance system security.