CVE-2018-6912 : Vulnerability Insights and Analysis

CVE-2018-6912 was published on February 12, 2018, and affects the decode_plane function in the libavcodec library in FFmpeg up to version 3.4.2. This vulnerability could be exploited by attackers to trigger a denial of service condition through an out-of-array read vulnerability when processing a specially crafted AVI file.

Understanding CVE-2018-6912

This CVE entry describes a vulnerability in FFmpeg that could lead to a denial of service attack.

What is CVE-2018-6912?

The decode_plane function in libavcodec/utvideodec.c in FFmpeg up to version 3.4.2 allows remote attackers to cause a denial of service (out-of-array read) via a crafted AVI file.

The Impact of CVE-2018-6912

The vulnerability could be exploited by attackers to trigger a denial of service condition in affected systems.

Technical Details of CVE-2018-6912

This section provides more technical insights into the CVE-2018-6912 vulnerability.

Vulnerability Description

The decode_plane function in the libavcodec library in FFmpeg up to version 3.4.2 is susceptible to an out-of-array read vulnerability.

Affected Systems and Versions

FFmpeg up to version 3.4.2

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing a specially crafted AVI file to trigger the out-of-array read condition.

Mitigation and Prevention

Protecting systems from CVE-2018-6912 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update FFmpeg to a version beyond 3.4.2 to mitigate the vulnerability
Be cautious when handling AVI files from untrusted sources

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities
Implement network security measures to detect and prevent potential attacks

Patching and Updates

Ensure that FFmpeg is regularly updated to the latest version to address security vulnerabilities.