CVE-2017-5842 : Vulnerability Insights and Analysis

GStreamer prior to version 1.10.3 is vulnerable to a denial-of-service attack due to an out-of-bounds write in the html_context_handle_element function within gst-plugins-base.

Understanding CVE-2017-5842

This CVE entry highlights a security vulnerability in GStreamer that could be exploited by malicious actors.

What is CVE-2017-5842?

The function html_context_handle_element in gst/subparse/samiparse.c within gst-plugins-base in GStreamer before version 1.10.3 has a vulnerability that can lead to a denial-of-service attack through an out-of-bounds write. This issue can be triggered by a specially crafted SMI file.

The Impact of CVE-2017-5842

The vulnerability allows remote attackers to cause a denial of service by exploiting a crafted SMI file, such as OneNote_Manager.smi.

Technical Details of CVE-2017-5842

GStreamer's vulnerability is detailed below.

Vulnerability Description

The html_context_handle_element function in gst/subparse/samiparse.c in GStreamer before 1.10.3 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted SMI file.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions affected: n/a

Exploitation Mechanism

The vulnerability can be triggered by a specially crafted SMI file, such as OneNote_Manager.smi.

Mitigation and Prevention

Protect your systems from CVE-2017-5842 with the following steps.

Immediate Steps to Take

Update GStreamer to version 1.10.3 or later to mitigate the vulnerability.
Be cautious when handling SMI files, especially those from untrusted sources.

Long-Term Security Practices

Regularly update software and plugins to the latest versions.
Implement network security measures to prevent unauthorized access.

Patching and Updates

Ensure timely patching and updates for GStreamer to address security vulnerabilities.