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Sigurnosni nedostaci programskog paketa systemd

==========================================================================
Ubuntu Security Notice USN-3558-1
February 05, 2018

systemd vulnerabilities
==========================================================================

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

– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in systemd.

Software Description:
– 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 LTS:
systemd 229-4ubuntu21.1

Ubuntu 14.04 LTS:
systemd 204-5ubuntu20.26

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

References:
https://www.ubuntu.com/usn/usn-3558-1
CVE-2017-15908, CVE-2018-1049

Package Information:
https://launchpad.net/ubuntu/+source/systemd/229-4ubuntu21.1
https://launchpad.net/ubuntu/+source/systemd/204-5ubuntu20.26

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