==========================================================================
Ubuntu Security Notice USN-2811-1
November 16, 2015
strongswan vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 15.10
– Ubuntu 15.04
– Ubuntu 14.04 LTS
Summary:
strongSwan could be made to bypass authentication.
Software Description:
– strongswan: IPsec VPN solution
Details:
It was discovered that the strongSwan eap-mschapv2 plugin incorrectly
handled state. A remote attacker could use this issue to bypass
authentication.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 15.10:
strongswan-plugin-eap-mschapv2 5.1.2-0ubuntu6.2
Ubuntu 15.04:
strongswan-plugin-eap-mschapv2 5.1.2-0ubuntu5.3
Ubuntu 14.04 LTS:
strongswan-plugin-eap-mschapv2 5.1.2-0ubuntu2.4
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2811-1
CVE-2015-8023
Package Information:
https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu6.2
https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu5.3
https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu2.4
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