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AUSCERT External Security Bulletin Redistribution
ESB-2018.1074
Wayland vulnerability
10 April 2018
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AusCERT Security Bulletin Summary
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Product: wayland
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2017-16612
Reference: ESB-2017.3158
ESB-2017.3035
Original Bulletin:
http://www.ubuntu.com/usn/usn-3622-1
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USN-3622-1: Wayland vulnerability
9 April 2018
wayland vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 17.10
o Ubuntu 16.04 LTS
o Ubuntu 14.04 LTS
Summary
Wayland could be made to crash or run programs if it opened a specially crafted
file.
Software Description
o 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
o https://usn.ubuntu.com/usn/usn-3622-1
o CVE-2017-16612
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