Ubuntu 15.04: USN-2571-1 Critical: Firefox Malicious Website Exploit

ubuntu

April 24, 2015

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:

Robert Kaiser discovered a use-after-free during plugin initialization in

some circumstances. If a user were tricked in to opening a specially

crafted website, an attacker could potentially exploit this to cause a

denial of service via application crash or execute arbitrary code with the

privileges of the user invoking Firefox. (CVE-2015-2706)

Topics Covered

security advisory denial of service security update exploit Ubuntu Firefox malicious website

Update Instructions

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

Ubuntu 15.04:
  firefox                         37.0.2+build1-0ubuntu0.15.04.1

Ubuntu 14.10:
  firefox                         37.0.2+build1-0ubuntu0.14.10.1

Ubuntu 14.04 LTS:
  firefox                         37.0.2+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  firefox                         37.0.2+build1-0ubuntu0.12.04.1

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