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Ubuntu Security Notice USN-3761-1
September 06, 2018
firefox vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– 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, or execute
arbitrary code. (CVE-2018-12375, CVE-2018-12376, CVE-2018-12377,
CVE-2018-12378)
It was discovered that if a user saved passwords before Firefox 58 and
then later set a master password, an unencrypted copy of these passwords
would still be accessible. A local user could exploit this to obtain
sensitive information. (CVE-2018-12383)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
firefox 62.0+build2-0ubuntu0.18.04.3
Ubuntu 16.04 LTS:
firefox 62.0+build2-0ubuntu0.16.04.3
Ubuntu 14.04 LTS:
firefox 62.0+build2-0ubuntu0.14.04.3
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3761-1
CVE-2018-12375, CVE-2018-12376, CVE-2018-12377, CVE-2018-12378,
CVE-2018-12383
Package Information:
https://launchpad.net/ubuntu/+source/firefox/62.0+build2-0ubuntu0.18.04.3
https://launchpad.net/ubuntu/+source/firefox/62.0+build2-0ubuntu0.16.04.3
https://launchpad.net/ubuntu/+source/firefox/62.0+build2-0ubuntu0.14.04.3
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