strongSwan could be made to crash or hang if it received specially crafted network traffic.
It was discovered that strongSwan incorrectly handled verifying specific RSA signatures. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service.
21 August 2017
A security issue affects these releases of Ubuntu and its derivatives:
strongSwan could be made to crash or hang if it received specially crafted network traffic.
It was discovered that strongSwan incorrectly handled verifying specific RSA signatures. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon