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Sicherheit: Fehlerhafte Zugriffsrechte in ubuntu-release-upgrader
Aktuelle Meldungen Distributionen
Name: Fehlerhafte Zugriffsrechte in ubuntu-release-upgrader
ID: USN-3623-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.10
Datum: Mo, 9. April 2018, 21:30
Referenzen: Keine Angabe
Applikationen: ubuntu-release-upgrader

Originalnachricht

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: "ubuntu-security-announce@lists.ubuntu.com"
<ubuntu-security-announce@lists.ubuntu.com>
Message-ID: <b85c4af1-1d7b-93f3-9038-e1dccdbbffa0@canonical.com>
Subject: [USN-3623-1] ubuntu-release-upgrader vulnerability

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==========================================================================
Ubuntu Security Notice USN-3623-1
April 09, 2018

ubuntu-release-upgrader vulnerability
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

ubuntu-release-upgrader incorrectly opened as browser as an administrator.

Software Description:
- ubuntu-release-upgrader: manage release upgrades

Details:

It was discovered that ubuntu-release-upgrader did not correctly drop
permissions before opening a browser to view the release notes. This update
fixes the issue.

Update instructions:

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

Ubuntu 17.10:
python3-distupgrade 1:17.10.11

Ubuntu 16.04 LTS:
python3-distupgrade 1:16.04.25

Ubuntu 14.04 LTS:
python3-distupgrade 1:0.220.10

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

References:
https://usn.ubuntu.com/usn/usn-3623-1
https://launchpad.net/bugs/1174007

Package Information:
https://launchpad.net/ubuntu/+source/ubuntu-release-upgrader/1:17.10.11
https://launchpad.net/ubuntu/+source/ubuntu-release-upgrader/1:16.04.25
https://launchpad.net/ubuntu/+source/ubuntu-release-upgrader/1:0.220.10


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