=========================================================================Ubuntu Security Notice USN-3801-1
October 24, 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 CSP
restrictions, spoof the protocol registration notification bar, leak
SameSite cookies, bypass mixed content warnings, or execute arbitrary
code. (CVE-2018-12388, CVE-2018-12390, CVE-2018-12392, CVE-2018-12393,
CVE-2018-12398, CVE-2018-12399, CVE-2018-12401, CVE-2018-12402,
CVE-2018-12403)
Multiple security issues were discovered with WebExtensions in Firefox.
If a user were tricked in to installing a specially crafted extension, an
attacker could potentially exploit these to bypass domain restrictions,
gain additional privileges, or run content scripts in local pages without
permission. (CVE-2018-12395, CVE-2018-12396, CVE-2018-12397)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.10:
firefox 63.0+build2-0ubuntu0.18.10.2
Ubuntu 18.04 LTS:
firefox 63.0+build2-0ubuntu0.18.04.2
Ubuntu 16.04 LTS:
firefox 63.0+build2-0ubuntu0.16.04.2
Ubuntu 14.04 LTS:
firefox 63.0+build2-0ubuntu0.14.04.2
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-3801-1
CVE-2018-12388, CVE-2018-12390, CVE-2018-12392, CVE-2018-12393,
CVE-2018-12395, CVE-2018-12396, CVE-2018-12397, CVE-2018-12398,
CVE-2018-12399, CVE-2018-12401, CVE-2018-12402, CVE-2018-12403
Package Information:
https://launchpad.net/ubuntu/+source/firefox/63.0+build2-0ubuntu0.18.10.2
https://launchpad.net/ubuntu/+source/firefox/63.0+build2-0ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/firefox/63.0+build2-0ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/firefox/63.0+build2-0ubuntu0.14.04.2
