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USN-3341-1: Systemd vulnerability

27 June 2017

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

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Releases

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)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 17.04
Ubuntu 16.10

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

References

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Further reading