CVE-2018-17235 : What You Need to Know
Learn about CVE-2018-17235, a vulnerability in libmp4v2 version 2.1.0 that can lead to a denial of service due to a heap-based buffer over-read. Find out how to mitigate and prevent this issue.
CVE-2018-17235 is a vulnerability in the libmp4v2 library version 2.1.0 that can lead to a denial of service due to a heap-based buffer over-read.
Understanding CVE-2018-17235
What is CVE-2018-17235?
The vulnerability arises in the function mp4v2::impl::MP4Track::FinishSdtp() within the file mp4track.cpp in libmp4v2 version 2.1.0. It occurs when handling a manipulated mp4 file, mishandling the compatibleBrand, resulting in a denial of service through a heap-based buffer over-read.
The Impact of CVE-2018-17235
This vulnerability can be exploited to trigger a denial of service attack on systems utilizing the affected libmp4v2 version 2.1.0.
Technical Details of CVE-2018-17235
Vulnerability Description
The issue in the mp4v2 library version 2.1.0 allows for a denial of service attack through a heap-based buffer over-read when processing a manipulated mp4 file.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Version: 2.1.0
Exploitation Mechanism
The vulnerability is exploited by manipulating an mp4 file to trigger the mishandling of compatibleBrand, leading to a heap-based buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Update to a patched version of libmp4v2 to mitigate the vulnerability.
- Avoid opening untrusted or manipulated mp4 files.
Long-Term Security Practices
- Regularly update software libraries and dependencies to address known vulnerabilities.
- Implement file input validation to prevent exploitation through manipulated files.
Patching and Updates
Ensure timely installation of security patches and updates for the libmp4v2 library to address CVE-2018-17235.