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Sicherheit: Mehrere Probleme in Firefox
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Firefox
ID: USN-3874-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 18.10
Datum: Do, 31. Januar 2019, 07:23
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18505
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18500
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18504
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18503
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18502
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18506
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18501
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: <97e49418-2abf-489c-9851-85b68da9735a@canonical.com>
Subject: [USN-3874-1] Firefox vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3874-1
January 30, 2019

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

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- 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 cause a denial of service, gain additional
privileges by escaping the sandbox, or execute arbitrary code.
(CVE-2018-18500, CVE-2018-18501, CVE-2018-18502, CVE-2018-18503,
CVE-2018-18504, CVE-2018-18505)

It was discovered that Firefox allowed PAC files to specify that requests
to localhost are sent through the proxy to another server. If proxy
auto-detection is enabled, an attacker could potentially exploit this to
conduct attacks on local services and tools. (CVE-2018-18506)

Update instructions:

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

Ubuntu 18.10:
firefox 65.0+build2-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
firefox 65.0+build2-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
firefox 65.0+build2-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
firefox 65.0+build2-0ubuntu0.14.04.1

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

References:
https://usn.ubuntu.com/usn/usn-3874-1
CVE-2018-18500, CVE-2018-18501, CVE-2018-18502, CVE-2018-18503,
CVE-2018-18504, CVE-2018-18505, CVE-2018-18506

Package Information:
https://launchpad.net/ubuntu/+source/firefox/65.0+build2-0ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/firefox/65.0+build2-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/firefox/65.0+build2-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/firefox/65.0+build2-0ubuntu0.14.04.1


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