CVE-2017-10699 : Exploit Details and Defense Strategies

VideoLAN VLC media player version 2.2.7-x, incorporating avcodec 2.2.x, had a vulnerability before 2017-06-29, allowing code execution or denial of service by writing to memory outside intended boundaries.

Understanding CVE-2017-10699

The vulnerability in VideoLAN VLC media player version 2.2.7-x could lead to code execution or denial of service.

What is CVE-2017-10699?

CVE-2017-10699 is a vulnerability in VideoLAN VLC media player version 2.2.7-x that allows attackers to execute code or cause a denial of service by writing to memory outside intended boundaries.

The Impact of CVE-2017-10699

The vulnerability could result in code execution or denial of service due to incorrect size parameter passed to the memcpy() function.

Technical Details of CVE-2017-10699

The technical details of the vulnerability in VideoLAN VLC media player version 2.2.7-x.

Vulnerability Description

avcodec 2.2.x, as used in VideoLAN VLC media player 2.2.7-x before 2017-06-29, allows out-of-bounds heap memory write due to calling memcpy() with a wrong size, leading to a denial of service or possibly code execution.

Affected Systems and Versions

Product: VideoLAN VLC media player
Vendor: VideoLAN
Versions affected: 2.2.7-x

Exploitation Mechanism

The vulnerability can be exploited by writing to memory outside intended boundaries, leveraging the incorrect size parameter in the memcpy() function.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-10699 vulnerability.

Immediate Steps to Take

Update VideoLAN VLC media player to a patched version.
Avoid opening suspicious or untrusted media files.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement proper input validation and boundary checks in software development.

Patching and Updates

Ensure timely installation of security patches and updates for VideoLAN VLC media player to address the vulnerability.