USN-3622-1: Wayland vulnerability

wayland vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 17.10
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary

Wayland could be made to crash or run programs if it opened a specially crafted file.

Software Description

• wayland - Wayland compositor infrastructure

Details

It was discovered that the Wayland Xcursor support incorrectly handled certain files. An attacker could use these issues to cause Wayland to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.10

libwayland-cursor0 - 1.14.0-1ubuntu0.1

Ubuntu 16.04 LTS

libwayland-bin - 1.12.0-1~ubuntu16.04.3

libwayland-client0 - 1.12.0-1~ubuntu16.04.3

libwayland-cursor0 - 1.12.0-1~ubuntu16.04.3

libwayland-dev - 1.12.0-1~ubuntu16.04.3

libwayland-doc - 1.12.0-1~ubuntu16.04.3

libwayland-server0 - 1.12.0-1~ubuntu16.04.3

Ubuntu 14.04 LTS

libwayland-cursor0 - 1.4.0-1ubuntu1.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to make all the necessary changes.

References

• CVE-2017-16612

from Ubuntu Security Notices https://ift.tt/2qki5Ml