CVE-2020-26664 : Exploit Details and Defense Strategies

A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.

Understanding CVE-2020-26664

This CVE entry describes a specific vulnerability in the VLC media player that could be exploited by attackers to execute a heap-based buffer overflow attack.

What is CVE-2020-26664?

The vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 enables malicious actors to initiate a heap-based buffer overflow by using a specially crafted .mkv file.

The Impact of CVE-2020-26664

The exploitation of this vulnerability could lead to a security breach, allowing attackers to potentially execute arbitrary code or crash the VLC media player, compromising the system's integrity and confidentiality.

Technical Details of CVE-2020-26664

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow by manipulating a specific .mkv file.

Affected Systems and Versions

Product: VLC media player
Vendor: VideoLAN
Version: 3.0.11

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious .mkv file that, when processed by the VLC media player, triggers the heap-based buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2020-26664 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update VLC media player to the latest version to patch the vulnerability.
Avoid opening or playing untrusted .mkv files from unknown sources.

Long-Term Security Practices

Regularly update software and applications to ensure all security patches are applied promptly.
Implement network security measures to detect and prevent malicious activities targeting vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from VideoLAN and relevant vendors to address vulnerabilities promptly.