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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --FI6PBzrlFK7n6pj7i3Mid7H8iEmxwdIpf Content-Type: multipart/mixed; boundary="cuGvnD9AFG9LLuBHAheE6jGSGy4kK5QYw"; 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: <4b67c8bd-6258-e69a-15cb-6ed04d304c69@canonical.com> Subject: [USN-3801-1] Firefox vulnerabilities
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========================================================================== 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
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