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Ubuntu Security Notice USN-4032-1
June 24, 2019
firefox vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.04
– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
A sandbox escape was discovered in Firefox.
Software Description:
– firefox: Mozilla Open Source web browser
Details:
It was discovered that a sandboxed child process could open arbitrary web
content in the parent process via the Prompt:Open IPC message. When
combined with another vulnerability, an attacker could potentially exploit
this to execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
firefox 67.0.4+build1-0ubuntu0.19.04.1
Ubuntu 18.10:
firefox 67.0.4+build1-0ubuntu0.18.10.1
Ubuntu 18.04 LTS:
firefox 67.0.4+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS:
firefox 67.0.4+build1-0ubuntu0.16.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
https://usn.ubuntu.com/4032-1
CVE-2019-11708
Package Information:
https://launchpad.net/ubuntu/+source/firefox/67.0.4+build1-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/firefox/67.0.4+build1-0ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/firefox/67.0.4+build1-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/firefox/67.0.4+build1-0ubuntu0.16.04.1
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