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Ubuntu Security Notice USN-3844-1

Ubuntu Security Notice USN-3844-1
Posted Dec 12, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3844-1 - 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-origin restrictions, or execute arbitrary code. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-12405, CVE-2018-12407, CVE-2018-17466, CVE-2018-18492, CVE-2018-18494, CVE-2018-18497, CVE-2018-18498
MD5 | cd05546757b473bab2c95bffccfca6cc

Ubuntu Security Notice USN-3844-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3844-1
December 11, 2018

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, bypass same-origin
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:
firefox 64.0+build3-0ubuntu0.18.10.1

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

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

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

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

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

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

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