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USN-3995-2: Keepalived vulnerability

28 May 2019

Keepalived could be made to crash or run programs if it received specially crafted network traffic.

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Releases

Packages

  • keepalived - Failover and monitoring daemon for LVS clusters

Details

USN-3995-1 fixed a vulnerability in keepalived. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Keepalived incorrectly handled certain HTTP status
response codes. A remote attacker could use this issue to cause Keepalived
to crash, resulting in a denial of service, or possibly 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 14.04
Ubuntu 12.04

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

References

Related notices

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Further reading