USN-2746-2: Simple Streams regression

Publication date

25 September 2015

Overview

USN-2746-1 introduced a regression in Simple Streams.


Packages

  • 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 machine-in-the-middle attack and inject malicious content into
the stream.

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 machine-in-the-middle attack and inject malicious content into
the stream.

Update instructions

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.

Learn more about how to get the fixes.

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


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