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USN-4000-1: Corosync vulnerability

30 May 2019

Corosync could be made to crash or execute arbitrary code if it received a specially crafted request.

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Releases

Packages

  • corosync - cluster engine daemon and utilities

Details

It was discovered that Corosync incorrectly handled certain requests.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code.

Reduce your security exposure

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 18.04
Ubuntu 16.04

After a standard system update you need to restart Corosync to make
all the necessary changes.

References

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Further reading