USN-3558-1: systemd vulnerabilities

Releases

• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

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.
This issue only affected Ubuntu 16.04 LTS. (CVE-2017-15908)

It was discovered that systemd incorrectly handled automounted volumes. A
local attacker could possibly use this issue to cause applications to hang,
resulting in a denial of service. (CVE-2018-1049)

Update instructions

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

Ubuntu 16.04

• systemd - 229-4ubuntu21.1

Ubuntu 14.04

• systemd - 204-5ubuntu20.26

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

References

• CVE-2017-15908
• CVE-2018-1049

Related notices

• USN-3466-1: systemd