firefox vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 18.10
  • 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, 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)

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References


Read full article on Ubuntu Security