=========================================================================Ubuntu Security Notice USN-4408-1
July 02, 2020
firefox vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 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, obtain sensitive
information, bypass permission prompts, or execute arbitrary code.
(CVE-2020-12415, CVE-2020-12416, CVE-2020-12417, CVE-2020-12418,
CVE-2020-12419, CVE-2020-12420, CVE-2020-12422, CVE-2020-12424,
CVE-2020-12425, CVE-2020-12426)
It was discovered that when performing add-on updates, certificate chains
not terminating with built-in roots were silently rejected. This could
result in add-ons becoming outdated. (CVE-2020-12421)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
firefox 78.0.1+build1-0ubuntu0.20.04.1
Ubuntu 19.10:
firefox 78.0.1+build1-0ubuntu0.19.10.1
Ubuntu 18.04 LTS:
firefox 78.0.1+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS:
firefox 78.0.1+build1-0ubuntu0.16.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-4408-1
CVE-2020-12415, CVE-2020-12416, CVE-2020-12417, CVE-2020-12418,
CVE-2020-12419, CVE-2020-12420, CVE-2020-12421, CVE-2020-12422,
CVE-2020-12424, CVE-2020-12425, CVE-2020-12426
Package Information:
https://launchpad.net/ubuntu/+source/firefox/78.0.1+build1-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/78.0.1+build1-0ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/firefox/78.0.1+build1-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/firefox/78.0.1+build1-0ubuntu0.16.04.1
