Security: GHOST vulnerability Zoom App

The GHOST  vulnerability is a “buffer overflow” bug that affects the gethostbyname () and gethostbyname2 () function calls in the glibc library. The vulnerability could allow remote attackers who could execute arbitrary code with the privileges of the user running the application to invoke any of these functions.

Which components of Zoom may be affected?

You have installed a meeting connector, virtual room connector, or phone connector / gateway that is running.

  • CentOS Linux versions 5.x, 6.x and 7.x

Follow these steps to update the glibc library:

  • Sign in to the server as root via SSH.
  • Execution command: yum update glibc

The patch is applied to a new installation of Meeting Connector, Virtual Room Connector, or Phone Connector / Gateway.

For more information on this article, see Security: GHOST Vulnerability .

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Frequently Asked Questions


Does Zoom app have security issues?

It is generally considered safe to use Zoom meetings these days since they are relatively easy to set up and use. A lot of the major issues regarding the security of the platform seem to have been addressed by the company, and it is doing its best to stay on top of the latest security vulnerabilities.

How do you ensure Zoom is secure?

Require a Passcode to Join

Taking the security of your meetings one step further is to require a passcode to be entered in order to join them. Both your Personal Meeting ID, so that only those who have the passcode will be able to reach you in the future, and new meetings that you schedule can benefit from this feature.

How can you tell if someone is watching you on Zoom?

To get this to work, the first step is to make sure that the person who is paying attention actually has their camera on. Afterwards, either cover up your camera on your computer, or shine a flashlight at your device, and see if the light on the screen of your computer changes at all. Is this happening, then you might be pinned to the screen of the person who has blocked you.

Is Zoom safe and secure?

The answer to this question is yes, Zoom is secure for the majority of organisations that have a reasonable amount of security in place.

What are the problems with Zoom?

  • Zoom has been having issues with the camera and audio. The video and microphone don’t work when you join the meeting, so you can’t participate.

  • A Zoombombing attack or a Zoom raid is also called a Zoombombing attack. It has been observed that many users have been experiencing this issue over the course of the last few months.

  • Zoom virtual screen issues have been reported.

  • There are features that are disappearing.

  • The performance of the system is not satisfactory.

  • Interference with the audio signal.

Can Zoom host turn on my camera?

In addition to turning off and on the microphones and video of the participants, the host and co-host can also control audio. You can set the default for future Zoom meetings by opening your desktop Zoom app.

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