Ubuntu: 3155-1 Critical: Firefox Denial Of Service And Code Execution

ubuntu

December 13, 2016

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 vulnerabilities were discovered in Firefox. If a user

were tricked in to opening a specially crafted website, an attacker could

potentially exploit these to conduct cross-site scripting (XSS) attacks,

obtain sensitive information, cause a denial of service via application

crash, or execute arbitrary code. (CVE-2016-9080, CVE-2016-9893,

CVE-2016-9894, CVE-2016-9895, CVE-2016-9896, CVE-2016-9897, CVE-2016-9898,

CVE-2016-9899, CVE-2016-9900, CVE-2016-9901, CVE-2016-9902, CVE-2016-9903,

CVE-2016-9904)

Topics Covered

security advisory denial of service code execution firefox application crash ubuntu XSS

Update Instructions

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

Ubuntu 16.10:
  firefox                         50.1.0+build2-0ubuntu0.16.10.1

Ubuntu 16.04 LTS:
  firefox                         50.1.0+build2-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  firefox                         50.1.0+build2-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  firefox                         50.1.0+build2-0ubuntu0.12.04.1

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