USN-5250-1: strongSwan vulnerability
24 January 2022
strongSwan could crash or allow unintended access to network services.
Releases
Packages
- strongswan - IPsec VPN solution
Details
Zhuowei Zhang discovered that stringSwan incorrectly handled EAP
authentication. A remote attacker could use this issue to cause strongSwan
to crash, resulting in a denial of service, or possibly bypass client and
server authentication.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10
Ubuntu 20.04
Ubuntu 18.04
In general, a standard system update will make all the necessary changes.