[USN-3844-1] Firefox vulnerabilities


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From: Chris Coulson
Reply-To: Ubuntu Security
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID:
Subject: [USN-3844-1] Firefox vulnerabilities

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Ubuntu Security Notice USN-3844-1
December 11, 2018

firefox vulnerabilities
=
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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, bypass same-origi=
n
restritions, or execute arbitrary code. (CVE-2018-12405, CVE-2018-12406,
CVE-2018-12407, CVE-2018-17466, CVE-2018-18492, CVE-2018-18493,
CVE-2018-18494, CVE-2018-18498)

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 open privileged pages, or bypass other
security restrictions. (CVE-2018-18495, CVE-2018-18497)

Update instructions:

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

Ubuntu 18.10:
=C2=A0 firefox=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 64.0+build3-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
=C2=A0 firefox=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 64.0+build3-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
=C2=A0 firefox=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 64.0+build3-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
=C2=A0 firefox=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 64.0+build3-0ubuntu0.14.04.1

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

References:
=C2=A0 https://usn.ubuntu.com/usn/usn-3844-1
=C2=A0 CVE-2018-12405, CVE-2018-12406, CVE-2018-12407, CVE-2018-17466,
=C2=A0 CVE-2018-18492, CVE-2018-18493, CVE-2018-18494, CVE-2018-18495,
=C2=A0 CVE-2018-18497, CVE-2018-18498

Package Information:
=C2=A0 https://launchpad.net/ubuntu/+source/firefox/64.0+build3-0ubuntu0.=
18.10.1
=C2=A0 https://launchpad.net/ubuntu/+source/firefox/64.0+build3-0ubuntu0.=
18.04.1
=C2=A0 https://launchpad.net/ubuntu/+source/firefox/64.0+build3-0ubuntu0.=
16.04.1
=C2=A0 https://launchpad.net/ubuntu/+source/firefox/64.0+build3-0ubuntu0.=
14.04.1

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