This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============0156376332543959939== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="92R3q9c05bha3RDnXVJAPQKp2uNuV3uN8"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --92R3q9c05bha3RDnXVJAPQKp2uNuV3uN8 Content-Type: multipart/mixed; boundary="rt0mipFkdjxrcq2ZKCdzfgJHgjmYR8cpK"; protected-headers="v1" From: Chris Coulson <chris.coulson@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: ubuntu-security-announce@lists.ubuntu.com Message-ID: <f99ec2d1-9ae6-7440-74ef-4ec6f8580e11@canonical.com> Subject: [USN-3844-1] Firefox vulnerabilities
--rt0mipFkdjxrcq2ZKCdzfgJHgjmYR8cpK Content-Type: text/plain; charset=utf- Content-Transfer-Encoding: quoted-printable Content-Language: en-US
========================================================================== 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
--rt0mipFkdjxrcq2ZKCdzfgJHgjmYR8cpK--
--92R3q9c05bha3RDnXVJAPQKp2uNuV3uN8 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc"
-----BEGIN PGP SIGNATURE-----
iQEzBAEBCgAdFiEERN//5MGgCOgyKeIFYR+97NWUbg8FAlwQSlIACgkQYR+97NWU bg/naQf/XmRikHwUcj6cG/j/z6uqzOic4Pm7pk4qQU3bgx0UMWY+HQkrKA0xE1Ea 9Xzhd4EoptdSZrYE1l5lpL8KzCCOxOdNnQwIH1jr945Ht6e84DAXCvblPfPeQ6JE bGXm19Kvr0uhM22yPREUyfI1CnxLO5AnXJroehCTZh2nVwR78r4nRth5vP1+QZy3 aSJVrm4D3JyqCfqbwGyeW2Isq1J1rdfUjEBrTSvyRdRDnJ95rrGJxbUDC9W5wo56 E/jrNB22TUKEScz4dpX+B2de3Umlr8JCtYq3VvlI62ny1kzpSX2f4cnoMrgig77f /2su/sARa8qFWaqpgtxWt5VFZjh9Ig== =qiu6 -----END PGP SIGNATURE-----
--92R3q9c05bha3RDnXVJAPQKp2uNuV3uN8--
--===============0156376332543959939== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline
LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5 LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj dXJpdHktYW5ub3VuY2UK
--===============0156376332543959939==--
|