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Ubuntu Security Notice USN-4051-1

Ubuntu Security Notice USN-4051-1
Posted Jul 9, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4051-1 - Kevin Backhouse discovered a race-condition when reading the user's local Apport configuration. This could be used by a local attacker to cause Apport to include arbitrary files in a resulting crash report.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2019-7307
MD5 | 23144505a813252b7919bf5f1a86185f

Ubuntu Security Notice USN-4051-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4051-1
July 09, 2019

apport vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Apport could be made to expose sensitive information in crash reports.

Software Description:
- apport: automatically generate crash reports for debugging

Details:

Kevin Backhouse discovered a race-condition when reading the user's local
Apport configuration. This could be used by a local attacker to cause
Apport to include arbitrary files in a resulting crash report.

Update instructions:

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

Ubuntu 19.04:
python-apport 2.20.10-0ubuntu27.1
python3-apport 2.20.10-0ubuntu27.1

Ubuntu 18.10:
python-apport 2.20.10-0ubuntu13.4
python3-apport 2.20.10-0ubuntu13.4

Ubuntu 18.04 LTS:
python-apport 2.20.9-0ubuntu7.7
python3-apport 2.20.9-0ubuntu7.7

Ubuntu 16.04 LTS:
python-apport 2.20.1-0ubuntu2.19
python3-apport 2.20.1-0ubuntu2.19

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

References:
https://usn.ubuntu.com/4051-1
CVE-2019-7307

Package Information:
https://launchpad.net/ubuntu/+source/apport/2.20.10-0ubuntu27.1
https://launchpad.net/ubuntu/+source/apport/2.20.10-0ubuntu13.4
https://launchpad.net/ubuntu/+source/apport/2.20.9-0ubuntu7.7
https://launchpad.net/ubuntu/+source/apport/2.20.1-0ubuntu2.19

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