CVE-2017-5050 : What You Need to Know

Google Chrome prior to version 57.0.2987.98 for Mac, Windows, and Linux, and 57.0.2987.108 for Android is affected by an integer overflow vulnerability in FFmpeg. This CVE was published on April 25, 2017.

Understanding CVE-2017-5050

A remote attacker could exploit an integer overflow vulnerability in FFmpeg in Google Chrome versions before 57.0.2987.98 (for Mac, Windows, and Linux) and 57.0.2987.108 (for Android) by using a specially crafted video file. This vulnerability is associated with the ChunkDemuxer and can lead to an out of bounds memory write.

What is CVE-2017-5050?

An integer overflow vulnerability in FFmpeg in Google Chrome versions before 57.0.2987.98 (for Mac, Windows, and Linux) and 57.0.2987.108 (for Android).
Exploitable by a remote attacker using a specially crafted video file.

The Impact of CVE-2017-5050

Allows a remote attacker to perform an out of bounds memory write.

Technical Details of CVE-2017-5050

Google Chrome prior to version 57.0.2987.98 for Mac, Windows, and Linux, and 57.0.2987.108 for Android is affected by an integer overflow vulnerability in FFmpeg.

Vulnerability Description

An integer overflow in FFmpeg in Google Chrome versions before 57.0.2987.98 (for Mac, Windows, and Linux) and 57.0.2987.108 (for Android).
Allows a remote attacker to perform an out of bounds memory write via a crafted video file, related to ChunkDemuxer.

Affected Systems and Versions

Google Chrome versions prior to 57.0.2987.98 for Mac, Windows, and Linux, and 57.0.2987.108 for Android.

Exploitation Mechanism

Remote attackers can exploit the vulnerability by using a specially crafted video file.

Mitigation and Prevention

Google Chrome users should take immediate steps to address CVE-2017-5050:

Immediate Steps to Take

Update Google Chrome to version 57.0.2987.98 for Mac, Windows, and Linux, and 57.0.2987.108 for Android.
Avoid opening suspicious video files from unknown sources.

Long-Term Security Practices

Regularly update Google Chrome to the latest version.
Exercise caution when downloading and opening files from the internet.

Patching and Updates

Google Chrome users should apply the latest security patches and updates to mitigate the risk of exploitation.