USN-3774-1: strongSwan vulnerability
1 October 2018
strongswan vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
strongSwan could be made to crash or run programs if it received specially crafted network traffic.
Software Description
- strongswan - IPsec VPN solution
Details
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 LTS
- libstrongswan - 5.6.2-1ubuntu2.3
- strongswan - 5.6.2-1ubuntu2.3
- Ubuntu 16.04 LTS
- libstrongswan - 5.3.5-1ubuntu3.8
- strongswan - 5.3.5-1ubuntu3.8
- Ubuntu 14.04 LTS
- libstrongswan - 5.1.2-0ubuntu2.11
- strongswan - 5.1.2-0ubuntu2.11
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.
References
from Ubuntu Security Notices https://ift.tt/2Oy4gs5