Alerts This Week
Warning Icon 1 640
Alerts This Week
Warning Icon 1 640

Ubuntu 18.10 USN-3844-1 Critical: Firefox Denial Of Service

ubuntu
Calendar Grey December 11, 2018
Dist Ubuntu Esm H88
Uncover essential Firefox vulnerabilities in Ubuntu that may lead to application failures and security breaches. Act promptly.
Firefox could be made to crash or run programs as your login if it opened a malicious website.

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 same-origin

restritions, or execute arbitrary code. (CVE-2018-12405, CVE-2018-12406,

CVE-2018-12407, CVE-2018-17466, CVE-2018-18492, CVE-2018-18493,

CVE-2018-18494, CVE-2018-18498)

Multiple security issues were discovered in WebExtensions. If a user were

tricked in to installing a specially crafted extension, an attacker could

potentially exploit these to open privileged pages, or bypass other

security restrictions. (CVE-2018-18495, CVE-2018-18497)

Topics%20covered

Topics Covered

security advisory denial of service critical software update exploit Ubuntu Firefox

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.10:
  firefox                         64.0+build3-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  firefox                         64.0+build3-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  firefox                         64.0+build3-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  firefox                         64.0+build3-0ubuntu0.14.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-3844-1

  CVE-2018-12405, CVE-2018-12406, CVE-2018-12407, CVE-2018-17466,

  CVE-2018-18492, CVE-2018-18493, CVE-2018-18494, CVE-2018-18495,

  CVE-2018-18497, CVE-2018-18498

Severity
critical
Lowest
Low
Medium
High
Critical

December 11, 2018

Topics%20covered

Topics Covered

security advisory denial of service critical software update exploit Ubuntu Firefox

Package Information

  https://launchpad.net/ubuntu/+source/firefox/64.0+build3-0ubuntu0.18.10.1
  https://launchpad.net/ubuntu/+source/firefox/64.0+build3-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/firefox/64.0+build3-0ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/firefox/64.0+build3-0ubuntu0.14.04.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here