USN-2450-1: strongSwan vulnerability

5 January 2015

strongSwan could be made to crash if it received specially crafted network traffic.

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Releases

Packages

Details

Mike Daskalakis discovered that strongSwan incorrectly handled IKEv2
payloads that contained the Diffie-Hellman group 1025. A remote attacker
could use this issue to cause the IKE daemon to crash, resulting in a
denial of service.

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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.

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Update instructions

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

Ubuntu 14.10
Ubuntu 14.04

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

References

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Further reading