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Ubuntu Security Notice USN-4032-1

Ubuntu Security Notice USN-4032-1
Posted Jun 24, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4032-1 - 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.

tags | advisory, web, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-11708
MD5 | dcdd0e68dacab36b081a3c54ada9f523

Ubuntu Security Notice USN-4032-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4032-1
June 24, 2019

firefox vulnerability
==========================================================================

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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