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Ubuntu 14.04 LTS USN-2243-1 Critical: Firefox Memory Safety Issue

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Calendar Grey June 11, 2014
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Ensure your Ubuntu installations are up to date to fix serious Firefox security flaws impacting various releases. 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:

Gary Kwong, Christoph Diehl, Christian Holler, Hannes Verschore, Jan de

Mooij, Ryan VanderMeulen, Jeff Walden, Kyle Huey, Jesse Ruderman, Gregor

Wagner, Benoit Jacob and Karl Tomlinson discovered multiple memory safety

issues 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 via application crash, or execute arbitrary code with

the privileges of the user invoking Firefox. (CVE-2014-1533,

CVE-2014-1534)

Abhishek Arya discovered multiple use-after-free and out-of-bounds read

issues in Firefox. An attacker could potentially exploit these to cause

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

the priviliges of the user invoking Firefox. (CVE-2014-1536,

CVE-2014-1537, C...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update critical Ubuntu Firefox memory safety

Update Instructions

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

Ubuntu 14.04 LTS:
  firefox                         30.0+build1-0ubuntu0.14.04.3

Ubuntu 13.10:
  firefox                         30.0+build1-0ubuntu0.13.10.3

Ubuntu 12.04 LTS:
  firefox                         30.0+build1-0ubuntu0.12.04.3

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

References

https://ubuntu.com/security/notices/USN-2243-1

CVE-2014-1533, CVE-2014-1534, CVE-2014-1536, CVE-2014-1537,

CVE-2014-1538, CVE-2014-1540, CVE-2014-1541, CVE-2014-1542,

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1326690

Severity
critical
Lowest
Low
Medium
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Critical

June 11, 2014

Topics%20covered

Topics Covered

security advisory denial of service update critical Ubuntu Firefox memory safety

Package Information

https://launchpad.net/ubuntu/+source/firefox/30.0+build1-0ubuntu0.14.04.3
https://launchpad.net/ubuntu/+source/firefox/30.0+build1-0ubuntu0.13.10.3
https://launchpad.net/ubuntu/+source/firefox/30.0+build1-0ubuntu0.12.04.3

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