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Ubuntu Security Notice USN-4457-2

Ubuntu Security Notice USN-4457-2
Posted Aug 17, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4457-2 - USN-4457-1 fixed a vulnerability in Software. This update provides the corresponding update for Ubuntu 14.04 ESM. Jason A. Donenfeld discovered that Software Properties incorrectly filtered certain escape sequences when displaying PPA descriptions. If a user were tricked into adding an arbitrary PPA, a remote attacker could possibly manipulate the screen. Various other issues were also addressed.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-15709
SHA-256 | 210db888ba4fe21c96b15e2f09d41c6a07d067950daa904b691681b6c2491b78

Ubuntu Security Notice USN-4457-2

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4457-2
August 17, 2020

software-properties vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 ESM

Summary:

Software Properties could be made to manipulate the display.

Software Description:
- software-properties: manage the repositories that you install software from

Details:

USN-4457-1 fixed a vulnerability in Software. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Jason A. Donenfeld discovered that Software Properties incorrectly filtered
certain escape sequences when displaying PPA descriptions. If a user were
tricked into adding an arbitrary PPA, a remote attacker could possibly
manipulate the screen.

Update instructions:

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

Ubuntu 14.04 ESM:
python-software-properties 0.92.37.8ubuntu0.1~esm1
python3-software-properties 0.92.37.8ubuntu0.1~esm1
software-properties-common 0.92.37.8ubuntu0.1~esm1

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4457-2
https://usn.ubuntu.com/4457-1
CVE-2020-15709
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