CVE-2018-6392 : Vulnerability Insights and Analysis

A crafted MP4 file can cause a denial of service by exploiting the filter_slice function in FFmpeg versions up to 3.4.1.

Understanding CVE-2018-6392

This CVE involves a vulnerability in FFmpeg that can be exploited by a specially crafted MP4 file.

What is CVE-2018-6392?

The filter_slice function in FFmpeg versions up to 3.4.1 is susceptible to an out-of-array access when processing a maliciously created MP4 file.

The Impact of CVE-2018-6392

Exploiting this vulnerability can lead to a denial of service condition on systems running affected versions of FFmpeg.

Technical Details of CVE-2018-6392

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

Vulnerability Description

The filter_slice function in FFmpeg's vf_transpose.c allows remote attackers to trigger a denial of service through a specially crafted MP4 file.

Affected Systems and Versions

FFmpeg versions up to 3.4.1 are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability is exploited by manipulating the filter_slice function with a malicious MP4 file to trigger an out-of-array access.

Mitigation and Prevention

Protecting systems from CVE-2018-6392 requires specific actions to mitigate the risk.

Immediate Steps to Take

Update FFmpeg to a version beyond 3.4.1 to eliminate the vulnerability.
Avoid opening untrusted MP4 files to prevent potential exploitation.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement network security measures to detect and block malicious traffic.

Patching and Updates

Stay informed about security advisories and apply patches promptly to secure systems.