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AUSCERT External Security Bulletin Redistribution
ESB-2017.2721
systemd vulnerability
27 October 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: systemd
Publisher: Ubuntu
Operating System: Ubuntu
Linux variants
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2017-15908
Original Bulletin:
http://www.ubuntu.com/usn/usn-3466-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running systemd check for an updated version of the software for
their operating system.
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Ubuntu Security Notice USN-3466-1
October 26, 2017
systemd vulnerability
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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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