CVE-2018-14379 : Exploit Details and Defense Strategies
Learn about CVE-2018-14379, a vulnerability in MP4v2 library version 2.0.0 enabling denial of service attacks and memory corruption through specially crafted MP4 files. Find mitigation steps and long-term security practices here.
CVE-2018-14379 is a vulnerability in the MP4v2 library version 2.0.0 that allows remote attackers to launch denial of service attacks or potentially exploit other impacts by supplying a specially crafted MP4 file.
Understanding CVE-2018-14379
In the MP4v2 library version 2.0.0, a specific implementation issue in the mp4atom.cpp file leads to confusion between data types, enabling attackers to corrupt memory or exploit other impacts.
What is CVE-2018-14379?
The vulnerability arises from incorrect usage of the MP4ItemAtom data type instead of the required MP4DataAtom, causing layout discrepancies and allowing attackers to manipulate memory through specially crafted MP4 files.
The Impact of CVE-2018-14379
The vulnerability allows remote attackers to execute denial of service attacks by corrupting memory or potentially exploit other unspecified impacts by providing malicious MP4 files.
Technical Details of CVE-2018-14379
The technical details of CVE-2018-14379 provide insight into the vulnerability's nature and its implications.
Vulnerability Description
The issue stems from the incorrect use of the MP4ItemAtom data type instead of the necessary MP4DataAtom, leading to confusion in data structure access and layout expectations.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions: All versions are affected.
Exploitation Mechanism
Attackers can exploit this vulnerability by supplying specially crafted MP4 files that manipulate memory due to the confusion between the MP4ItemAtom and MP4DataAtom data types.
Mitigation and Prevention
Addressing CVE-2018-14379 requires immediate steps and long-term security practices to enhance system resilience.
Immediate Steps to Take
- Update to the latest version of MP4v2 library (v2.1.0) to mitigate the vulnerability.
- Avoid opening MP4 files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and libraries to patch known vulnerabilities.
- Implement network security measures to detect and prevent malicious file uploads.
Patching and Updates
- Apply patches and updates provided by the MP4v2 library to address the vulnerability and enhance system security.