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USN-3774-1: strongSwan vulnerability

1 October 2018

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




It was discovered that strongSwan incorrectly handled signature validation
in the gmp plugin. A remote attacker could use this issue to cause
strongSwan to crash, resulting in a denial of service, or possibly execute
arbitrary code.

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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