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Ubuntu Security Notice USN-3466-1

Ubuntu Security Notice USN-3466-1
Posted Oct 26, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3466-1 - Karim Hossen & Thomas Imbert 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.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-15908
MD5 | 51f29b489abcb6ab7c970b66b82685d0

Ubuntu Security Notice USN-3466-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3466-1
October 26, 2017

systemd vulnerability
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 17.04

Summary:

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

Software Description:
- systemd: system and service manager

Details:

Karim Hossen & Thomas Imbert 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:

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

Ubuntu 17.10:
systemd 234-2ubuntu12.1

Ubuntu 17.04:
systemd 232-21ubuntu7.1

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

References:
https://www.ubuntu.com/usn/usn-3466-1
CVE-2017-15908

Package Information:
https://launchpad.net/ubuntu/+source/systemd/234-2ubuntu12.1
https://launchpad.net/ubuntu/+source/systemd/232-21ubuntu7.1


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