1. Ubuntu Security Notices
  2. USN-3466-1

USN-3466-1: systemd vulnerability

Publication date

26 October 2017

Overview

systemd could be made to temporarily stop responding if it received specially crafted network traffic.

Releases

Packages

  • systemd - system and service manager

Details

Karim Hossen & Thomas Imbert and Nelson William Gamazo Sanchez
independently discovered that systemd-resolved incorrectly
handled certain DNS responses. A remote attacker could possibly use this
issue to cause systemd to temporarily stop responding, resulting in a
denial of service.

Karim Hossen & Thomas Imbert and Nelson William Gamazo Sanchez
independently discovered that systemd-resolved incorrectly
handled certain DNS responses. A remote attacker could possibly use this
issue to cause systemd to temporarily stop responding, resulting in a
denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful systemd –  234-2ubuntu12.1
17.04 zesty systemd –  232-21ubuntu7.1

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References

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