==========================================================================
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://usn.ubuntu.com/usn/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
—–BEGIN PGP SIGNATURE—–
iQEzBAEBCgAdFiEERN//5MGgCOgyKeIFYR+97NWUbg8FAlvQxsMACgkQYR+97NWU
bg9JSggAqGILObzpchrqqN/zf6QQpPM9oIWLaGXRC2oiGncra3bpCfcQY+vtpc6z
C2KeJTsU9vfS71F4agpnpBUjvvJ6PE3TjVLB/KdJSsL5LeKYcowjU76BfuAY6wIa
6w0g2N7URCRtyzBw2pFyKHyqsVmwkUDZ9JhkFFF1CwedIoH6bvRuf/1suhYmXLGF
dAK9dQptk5Qdm5rnVbEW8xnotMrLkWwjppMDYIjie25ADea5qfl4eCHTsid2CcYa
Sovx+jv8wiTDNvt2sAUGLQuy7mV0CEd55D8yzGsDEFq5egV9sN8E6CKF9dt7tXkL
klyUhaC04iMBnSj/MYxIvtDG5zDhbQ==
=cetO
—–END PGP SIGNATURE—–
—
