CVE-2017-12598 : Security Advisory and Response
Learn about CVE-2017-12598 affecting OpenCV library through an out-of-bounds read error in cv::RBaseStream::readBlock function. Find mitigation steps and security practices.
OpenCV library has a vulnerability related to an out-of-bounds read error when reading image files using cv::imread function.
Understanding CVE-2017-12598
What is CVE-2017-12598?
The vulnerability in OpenCV library occurs in the cv::RBaseStream::readBlock function within the imgcodecs module, leading to an out-of-bounds read operation.
The Impact of CVE-2017-12598
The vulnerability allows attackers to potentially execute arbitrary code or cause a denial of service by exploiting the out-of-bounds read error.
Technical Details of CVE-2017-12598
Vulnerability Description
The error in the cv::RBaseStream::readBlock function in bitstrm.cpp file of OpenCV library allows for an out-of-bounds read operation when using cv::imread to read image files.
Affected Systems and Versions
- Product: OpenCV
- Vendor: N/A
- Versions: All versions through 3.3
Exploitation Mechanism
- Attackers can exploit this vulnerability by crafting malicious image files to trigger the out-of-bounds read error.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates provided by OpenCV to patch the vulnerability.
- Avoid opening image files from untrusted sources.
Long-Term Security Practices
- Regularly update OpenCV library to the latest version to mitigate known vulnerabilities.
- Implement proper input validation mechanisms to prevent similar vulnerabilities.
Patching and Updates
- OpenCV has released security updates to address the out-of-bounds read error. Ensure timely installation of these updates.