CVE-2018-1999011 Explained : Impact and Mitigation

A vulnerability was discovered in the asf_o format demuxer of FFmpeg before commit 2b46ebdbff1d8dec7a3d8ea280a612b91a582869. This vulnerability involves a Buffer Overflow issue that could potentially lead to a heap-buffer-overflow, ultimately allowing for remote code execution. To exploit this vulnerability, a specially crafted ASF file needs to be supplied as input to FFmpeg. It is important to note that this vulnerability has been addressed and fixed in commit 2b46ebdbff1d8dec7a3d8ea280a612b91a582869 and subsequent versions.

Understanding CVE-2018-1999011

This section provides insights into the nature and impact of the CVE-2018-1999011 vulnerability.

What is CVE-2018-1999011?

CVE-2018-1999011 is a Buffer Overflow vulnerability found in the asf_o format demuxer of FFmpeg, allowing for potential remote code execution by exploiting a specially crafted ASF file.

The Impact of CVE-2018-1999011

The vulnerability in FFmpeg before commit 2b46ebdbff1d8dec7a3d8ea280a612b91a582869 could result in a heap-buffer-overflow, enabling attackers to execute remote code by providing a malicious ASF file as input.

Technical Details of CVE-2018-1999011

This section delves into the technical aspects of the CVE-2018-1999011 vulnerability.

Vulnerability Description

FFmpeg before commit 2b46ebdbff1d8dec7a3d8ea280a612b91a582869 contains a Buffer Overflow vulnerability in the asf_o format demuxer, potentially leading to heap-buffer-overflow and remote code execution.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions: All versions before commit 2b46ebdbff1d8dec7a3d8ea280a612b91a582869

Exploitation Mechanism

To exploit this vulnerability, a specially crafted ASF file must be provided as input to FFmpeg, triggering the heap-buffer-overflow and allowing for remote code execution.

Mitigation and Prevention

Learn how to protect your systems from the CVE-2018-1999011 vulnerability.

Immediate Steps to Take

Update FFmpeg to commit 2b46ebdbff1d8dec7a3d8ea280a612b91a582869 or later versions.
Avoid opening ASF files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network segmentation and access controls to limit exposure to potential threats.

Patching and Updates

Ensure that FFmpeg is regularly updated to the latest version to mitigate the CVE-2018-1999011 vulnerability.