This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============2936074815543577753== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="QfxdnCVWGrZuYEUpHeWMEXBXVLFUs8k1s"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --QfxdnCVWGrZuYEUpHeWMEXBXVLFUs8k1s Content-Type: multipart/mixed; boundary="L4YQYWXn1yfCbmdAAjROc9rRn9UndhxCb"; 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: <56e2d2da-396d-6754-ec63-1733df878050@canonical.com> Subject: [USN-3714-1] Thunderbird vulnerabilities
--L4YQYWXn1yfCbmdAAjROc9rRn9UndhxCb Content-Type: text/plain; charset=utf- Content-Transfer-Encoding: quoted-printable Content-Language: en-US
========================================================================== Ubuntu Security Notice USN-3714-1 July 12, 2018
thunderbird vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS - Ubuntu 17.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Thunderbird.
Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client
Details:
Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, bypass CORS restrictions, obtain sensitive information, or execute arbitrary code. (CVE-2018-12359, CVE-2018-12360, CVE-2018-12362, CVE-2018-12363, CVE-2018-12364, CVE-2018-12365, CVE-2018-12366)
It was discovered that S/MIME and PGP decryption oracles can be built with HTML emails. An attacker could potentially exploit this to obtain sensitive information. (CVE-2018-12372)
It was discovered that S/MIME plaintext can be leaked through HTML reply/forward. An attacker could potentially exploit this to obtain sensitive information. (CVE-2018-12373)
It was discovered that forms can be used to exfiltrate encrypted mail parts by pressing enter in a form field. An attacker could potentially exploit this to obtain sensitive information. (CVE-2018-12374)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS: thunderbird 1:52.9.1+build3-0ubuntu0.18.04.1
Ubuntu 17.10: thunderbird 1:52.9.1+build3-0ubuntu0.17.10.1
Ubuntu 16.04 LTS: thunderbird 1:52.9.1+build3-0ubuntu0.16.04.1
Ubuntu 14.04 LTS: thunderbird 1:52.9.1+build3-0ubuntu0.14.04.1
After a standard system update you need to restart Thunderbird to make all the necessary changes.
References: https://usn.ubuntu.com/usn/usn-3714-1 CVE-2018-12359, CVE-2018-12360, CVE-2018-12362, CVE-2018-12363, CVE-2018-12364, CVE-2018-12365, CVE-2018-12366, CVE-2018-12372, CVE-2018-12373, CVE-2018-12374, CVE-2018-5188
Package Information: https://launchpad.net/ubuntu/+source/thunderbird/1:52.9.1+build3-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:52.9.1+build3-0ubuntu0.17.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:52.9.1+build3-0ubuntu0.16.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:52.9.1+build3-0ubuntu0.14.04.1
--L4YQYWXn1yfCbmdAAjROc9rRn9UndhxCb--
--QfxdnCVWGrZuYEUpHeWMEXBXVLFUs8k1s Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc"
-----BEGIN PGP SIGNATURE-----
iQEzBAEBCgAdFiEERN//5MGgCOgyKeIFYR+97NWUbg8FAltHqdEACgkQYR+97NWU bg/6EQf9H80B53dnJ3AiZd1u4m+lZ3XXLa2aig6nIdqAUw09rWZKZFIPrDdMYmAy Y4np9dVovtKqDliCu1byz70XMs3UpzpNg1Lz8l/Sy5Yq/DGV1XUHRVSqvSJ+bzUh zu0HbgJdcMr/Jofp94vV9GmIzItK69OGANQuqD7b4XubKgPF0mz+aGg3b4LgKRz0 URIwkJsbOtfMjzMZc0Oqw6Wf1VFr5Ewx+wlHMdABTcrKTYAGHTLHTaM4T713oVNJ /srJkyc4bt5wagWLIoUchUc1Ol86VLmm+4c0/xTlJNUwpyHJNgjqi3EnJ5UyROnJ xqgLUHHuVxFprvRulIEvE8vDS3v83g== =rltE -----END PGP SIGNATURE-----
--QfxdnCVWGrZuYEUpHeWMEXBXVLFUs8k1s--
--===============2936074815543577753== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline
LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5 LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj dXJpdHktYW5ub3VuY2UK
--===============2936074815543577753==--
|