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Sicherheit: Mehrere Probleme in Mozilla Firefox
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Mozilla Firefox
ID: USN-3435-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04
Datum: Di, 3. Oktober 2017, 08:16
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7811
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7793
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7813
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7823
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7810
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7820
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7819
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7818
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7822
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7812
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7815
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7821
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7814
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7805
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7824
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7816

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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: <2b40c8f8-b6c8-c377-c2c4-67b29ae16b76@canonical.com>
Subject: [USN-3435-1] Firefox vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3435-1
October 02, 2017

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

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Firefox could be made to crash or run programs as your login if it
opened a malicious website.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to read uninitialized memory, obtain sensitive
information, bypass phishing and malware protection, spoof the origin in
modal dialogs, conduct cross-site scripting (XSS) attacks, cause a denial
of service via application crash, or execute arbitrary code.
(CVE-2017-7793, CVE-2017-7810, CVE-2017-7811, CVE-2017-7812,
CVE-2017-7813, CVE-2017-7814, CVE-2017-7815, CVE-2017-7818, CVE-2017-7819,
CVE-2017-7820, CVE-2017-7822, CVE-2017-7823, CVE-2017-7824)

Martin Thomson discovered that NSS incorrectly generated handshake hashes.
A remote attacker could potentially exploit this to cause a denial of
service via application crash, or execute arbitrary code. (CVE-2017-7805)

Multiple security issues were discovered in WebExtensions. If a user were
tricked in to installing a specially crafted extension, an attacker could
potentially exploit these to download and open non-executable files
without interaction, or obtain elevated privileges. (CVE-2017-7816,
CVE-2017-7821)

Update instructions:

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

Ubuntu 17.04:
firefox 56.0+build6-0ubuntu0.17.04.1

Ubuntu 16.04 LTS:
firefox 56.0+build6-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
firefox 56.0+build6-0ubuntu0.14.04.1

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

References:
https://www.ubuntu.com/usn/usn-3435-1
CVE-2017-7793, CVE-2017-7805, CVE-2017-7810, CVE-2017-7811,
CVE-2017-7812, CVE-2017-7813, CVE-2017-7814, CVE-2017-7815,
CVE-2017-7816, CVE-2017-7818, CVE-2017-7819, CVE-2017-7820,
CVE-2017-7821, CVE-2017-7822, CVE-2017-7823, CVE-2017-7824

Package Information:
https://launchpad.net/ubuntu/+source/firefox/56.0+build6-0ubuntu0.17.04.1
https://launchpad.net/ubuntu/+source/firefox/56.0+build6-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/firefox/56.0+build6-0ubuntu0.14.04.1



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