USN-2746-2: Simple Streams regression
Ubuntu Security Notice USN-2746-2
25th September, 2015
simplestreams regression
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
Summary
USN-2746-1 introduced a regression in Simple Streams.
Software description
- simplestreams - Library and tools for using Simple Streams data
Details
USN-2746-1 fixed a vulnerability in Simple Streams. The update caused a
regression preventing MAAS from downloading PXE images. This update fixes
the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Simple Streams did not properly perform gpg
verification in some situations. A remote attacker could use this to
perform a man-in-the-middle attack and inject malicious content into
the stream.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 15.04:
- python-simplestreams 0.1.0~bzr354-0ubuntu1.15.04.2
- simplestreams 0.1.0~bzr354-0ubuntu1.15.04.2
- python-simplestreams-openstack 0.1.0~bzr354-0ubuntu1.15.04.2
- python3-simplestreams 0.1.0~bzr354-0ubuntu1.15.04.2
- Ubuntu 14.04 LTS:
- python-simplestreams 0.1.0~bzr341-0ubuntu2.3
- simplestreams 0.1.0~bzr341-0ubuntu2.3
- python-simplestreams-openstack 0.1.0~bzr341-0ubuntu2.3
- python3-simplestreams 0.1.0~bzr341-0ubuntu2.3
To update your system, please follow these instructions: http://ift.tt/17VXqjU.
After a standard system update you need to restart any services that
make use of python-simplestreams or python3-simplestreams to make
all the necessary changes.
References
from Ubuntu Security Notices http://ift.tt/1NZ1SUy