CVE-2019-14535 : What You Need to Know
Learn about CVE-2019-14535, a vulnerability in VideoLAN VLC media player 3.0.7.1 that allows a crafted WMV file to trigger a divide-by-zero error, leading to a floating point exception (FPE). Find mitigation steps and prevention measures.
Vulnerability in the SeekIndex function of VideoLAN VLC media player 3.0.7.1 allows a crafted WMV file to trigger a divide-by-zero error.
Understanding CVE-2019-14535
The SeekIndex function in the demux/asf/asf.c file of VideoLAN VLC media player 3.0.7.1 contains a divide-by-zero error, leading to a floating point exception (FPE) when processing a malicious WMV file.
What is CVE-2019-14535?
The vulnerability in VideoLAN VLC media player 3.0.7.1 allows an attacker to exploit a divide-by-zero error by using a specially crafted WMV file, resulting in a floating point exception (FPE).
The Impact of CVE-2019-14535
The vulnerability can be exploited by an attacker to cause a denial of service (DoS) condition by crashing the VLC media player when processing a malicious WMV file.
Technical Details of CVE-2019-14535
The technical details of the CVE-2019-14535 vulnerability are as follows:
Vulnerability Description
A divide-by-zero error exists in the SeekIndex function of demux/asf/asf.c in VideoLAN VLC media player 3.0.7.1, allowing a crafted WMV file to trigger a floating point exception (FPE).
Affected Systems and Versions
- Product: VideoLAN VLC media player
- Version: 3.0.7.1
Exploitation Mechanism
The vulnerability can be exploited by an attacker through a specially crafted WMV file to trigger the divide-by-zero error and cause a floating point exception (FPE).
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2019-14535 vulnerability:
Immediate Steps to Take
- Update VLC media player to the latest version.
- Avoid opening WMV files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and applications to patch known vulnerabilities.
- Implement network security measures to detect and block malicious files.
- Educate users on safe browsing practices and the risks of opening files from unfamiliar sources.
Patching and Updates
Ensure timely installation of security patches and updates provided by VideoLAN to address the CVE-2019-14535 vulnerability.