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Alerts This Week
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Ubuntu 13.04: USN-1924-1 Critical: Firefox Memory Safety Threats

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Calendar Grey August 6, 2013
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Ubuntu alert summarizes Firefox security flaws and their significance, highlighting potential risks such as application crashes and unauthorized code execution.
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:

Jeff Gilbert, Henrik Skupin, Ben Turner, Christian Holler,

Andrew McCreight, Gary Kwong, Jan Varga and Jesse Ruderman discovered

multiple memory safety issues in Firefox. If the user were tricked in to

opening a specially crafted page, an attacker could possibly exploit these

to cause a denial of service via application crash, or potentially execute

arbitrary code with the privileges of the user invoking Firefox.

(CVE-2013-1701, CVE-2013-1702)

A use-after-free bug was discovered when the DOM is modified during a

SetBody mutation event. If the user were tricked in to opening a specially

crafted page, an attacker could potentially exploit this to execute

arbitrary code with the privileges of the user invoking Firefox.

(CVE-2013-1704)

A use-after-free bug was discovered when generating a CRM...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service XSS exploit Ubuntu Firefox memory issues

Update Instructions

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

Ubuntu 13.04:
  firefox                         23.0+build2-0ubuntu0.13.04.1

Ubuntu 12.10:
  firefox                         23.0+build2-0ubuntu0.12.10.1

Ubuntu 12.04 LTS:
  firefox                         23.0+build2-0ubuntu0.12.04.1

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

References

https://ubuntu.com/security/notices/USN-1924-1

CVE-2013-1701, CVE-2013-1702, CVE-2013-1704, CVE-2013-1705,

CVE-2013-1708, CVE-2013-1709, CVE-2013-1710, CVE-2013-1711,

CVE-2013-1713, CVE-2013-1714, CVE-2013-1717, https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1208039

Severity
critical
Lowest
Low
Medium
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Critical

August 06, 2013

Topics%20covered

Topics Covered

security advisory denial of service XSS exploit Ubuntu Firefox memory issues

Package Information

https://launchpad.net/ubuntu/+source/firefox/23.0+build2-0ubuntu0.13.04.1
https://launchpad.net/ubuntu/+source/firefox/23.0+build2-0ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/firefox/23.0+build2-0ubuntu0.12.04.1

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