USN-3301-1: strongSwan vulnerabilities

Ubuntu Security Notice USN-3301-1

30th May, 2017

strongswan vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

• Ubuntu 17.04



• Ubuntu 16.10



• Ubuntu 16.04 LTS



• Ubuntu 14.04 LTS

Summary

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

Software description

• strongswan
  - IPsec VPN solution
  
  

Details

It was discovered that the strongSwan gmp plugin incorrectly validated RSA
public keys. A remote attacker could use this issue to cause strongSwan to
crash, resulting in a denial of service. ()

Update instructions

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

Ubuntu 17.04:

Ubuntu 16.10:

Ubuntu 16.04 LTS:

Ubuntu 14.04 LTS:

To update your system, please follow these instructions:
,

CVE-2017-9023