USN-6963-1: GNOME Shell vulnerability

Published Aug 15, 2024
·
Updated

It was discovered that GNOME Shell incorrectly opened the portal helper automatically when detecting a captive network portal. A remote attacker could possibly use this issue to load arbitrary web pages containing JavaScript, leading to resource consumption or other attacks.

Affected Software

6 affected componentsFixes available
All of the following
ubuntu/gnome-shell<46.0-0ubuntu6~24.04.3
46.0-0ubuntu6~24.04.3
Ubuntu Ubuntu=24.04
All of the following
ubuntu/gnome-shell<42.9-0ubuntu2.2
42.9-0ubuntu2.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/gnome-shell<3.36.9-0ubuntu0.20.04.4
3.36.9-0ubuntu0.20.04.4
Ubuntu Ubuntu=20.04

Event History

Aug 15, 2024
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-6963-1?

The severity of USN-6963-1 is considered significant due to the potential for resource consumption and unauthorized attacks via JavaScript.

2

How do I fix USN-6963-1?

To fix USN-6963-1, users should upgrade their GNOME Shell to the recommended versions specified in the advisory.

3

What systems are affected by USN-6963-1?

USN-6963-1 affects Ubuntu systems running GNOME Shell versions prior to 46.0-0ubuntu6~24.04.3, 42.9-0ubuntu2.2, and 3.36.9-0ubuntu0.20.04.4.

4

What type of attack is possible due to USN-6963-1?

Due to USN-6963-1, a remote attacker could exploit the flaw to load arbitrary web pages that could run malicious JavaScript.

5

Is it safe to use GNOME Shell on vulnerable systems referenced in USN-6963-1?

Using GNOME Shell on vulnerable systems is not safe as it may expose users to potential resource exhaustion and malicious web content.

Contact

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