USN-3341-1: Systemd vulnerability

Publication date

27 June 2017

Overview

systemd-resolved could be made to crash or run programs if it received a specially crafted DNS response.


Packages

  • systemd - system and service manager

Details

An out-of-bounds write was discovered in systemd-resolved when handling
specially crafted DNS responses. A remote attacker could potentially
exploit this to cause a denial of service (daemon crash) or execute
arbitrary code. (CVE-2017-9445)

An out-of-bounds write was discovered in systemd-resolved when handling
specially crafted DNS responses. A remote attacker could potentially
exploit this to cause a denial of service (daemon crash) or execute
arbitrary code. (CVE-2017-9445)

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
17.04 zesty systemd –  232-21ubuntu5
16.10 yakkety systemd –  231-9ubuntu5

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