CVE-2017-12864 : Exploit Details and Defense Strategies
Learn about CVE-2017-12864, a vulnerability in OpenCV versions 3.3 and earlier that allows remote code execution. Find mitigation steps and update information here.
OpenCV vulnerability in the imgcodecs module leading to remote code execution or denial of service.
Understanding CVE-2017-12864
OpenCV vulnerability impacting versions 3.3 and earlier due to improper input validation.
What is CVE-2017-12864?
The vulnerability arises from the function ReadNumber in grfmt_pxm.cpp within the imgcodecs module of OpenCV. It fails to validate input length, causing an integer overflow. This flaw can be exploited when processing images from remote sources, potentially enabling remote code execution or triggering a denial of service.
The Impact of CVE-2017-12864
- Allows attackers to execute arbitrary code remotely
- May lead to denial of service
- Affects OpenCV versions 3.3 and earlier
Technical Details of CVE-2017-12864
The technical aspects of the OpenCV vulnerability.
Vulnerability Description
The function ReadNumber in grfmt_pxm.cpp does not properly validate input length, resulting in an integer overflow.
Affected Systems and Versions
- OpenCV versions 3.3 and earlier
Exploitation Mechanism
- Exploitable when processing images from remote sources
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2017-12864.
Immediate Steps to Take
- Update OpenCV to a patched version
- Avoid processing images from untrusted remote sources
Long-Term Security Practices
- Regularly update software and libraries
- Implement input validation and secure coding practices
Patching and Updates
- Apply patches provided by OpenCV