USN-3887-1: snapd vulnerability
12 February 2019
snapd could be made to run programs as an administrator.
- snapd - Daemon and tooling that enable snap packages
Chris Moberly discovered that snapd versions 2.28 through 2.37 incorrectly
validated and parsed the remote socket address when performing access
controls on its UNIX socket. A local attacker could use this to access
privileged socket APIs and obtain administrator privileges. On Ubuntu
systems with snaps installed, snapd typically will have already
automatically refreshed itself to snapd 2.37.1 which is unaffected.
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.