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Sicherheit: Mehrere Probleme in Mozilla Firefox
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Mozilla Firefox
ID: USN-3516-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04, Ubuntu 17.10
Datum: Sa, 6. Januar 2018, 14:07
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5754
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5753
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5715
Applikationen: Mozilla Firefox

Originalnachricht

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From: Chris Coulson <chris.coulson@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <f0653c51-32a1-c4d2-1ab9-04a49bcfa91f@canonical.com>
Subject: [USN-3516-1] Firefox vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3516-1
January 05, 2018

firefox vulnerabilities
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Firefox could be made to expose sensitive information.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

It was discovered that speculative execution performed by modern CPUs
could leak information through a timing side-channel attack, and that
this could be exploited in web browser JavaScript engines. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit this to obtain sensitive information from other
domains, bypassing same-origin restrictions. (CVE-2017-5715,
CVE-2017-5753, CVE-2017-5754).

Update instructions:

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

Ubuntu 17.10:
firefox 57.0.4+build1-0ubuntu0.17.10.1

Ubuntu 17.04:
firefox 57.0.4+build1-0ubuntu0.17.04.1

Ubuntu 16.04 LTS:
firefox 57.0.4+build1-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
firefox 57.0.4+build1-0ubuntu0.14.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References:
https://www.ubuntu.com/usn/usn-3516-1
CVE-2017-5715, CVE-2017-5753, CVE-2017-5754

Package Information:
https://launchpad.net/ubuntu/+source/firefox/57.0.4+build1-0ubuntu0.17.10.1
https://launchpad.net/ubuntu/+source/firefox/57.0.4+build1-0ubuntu0.17.04.1
https://launchpad.net/ubuntu/+source/firefox/57.0.4+build1-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/firefox/57.0.4+build1-0ubuntu0.14.04.1



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