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Ubuntu 13.04 Security Advisory USN-1890-1 Critical: Firefox Code Issues

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Calendar Grey June 26, 2013
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Enhance your Ubuntu system to address vulnerabilities in Firefox that could lead to application crashes and arbitrary code execution upon entering a harmful website.
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 memory safety issues were discovered in Firefox. If the user were

tricked into 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-2013-1682, CVE-2013-1683)

Abhishek Arya discovered multiple use-after-free bugs. If the user were

tricked into opening a specially crafted page, an attacker could possibly

exploit these to execute arbitrary code with the privileges of the user

invoking Firefox. (CVE-2013-1684, CVE-2013-1685, CVE-2013-1686)

Mariusz Mlynski discovered that user defined code within the XBL scope of

an element could be made to bypass System Only Wrappers (SOW). An attacker

could potentially exploit this to e...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service code execution firefox ubuntu malicious website

Update Instructions

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

Ubuntu 13.04:
  firefox                         22.0+build2-0ubuntu0.13.04.1

Ubuntu 12.10:
  firefox                         22.0+build2-0ubuntu0.12.10.1

Ubuntu 12.04 LTS:
  firefox                         22.0+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-1890-1

CVE-2013-1682, CVE-2013-1683, CVE-2013-1684, CVE-2013-1685,

CVE-2013-1686, CVE-2013-1687, CVE-2013-1688, CVE-2013-1690,

CVE-2013-1692, CVE-2013-1693, CVE-2013-1694, CVE-2013-1695,

CVE-2013-1696, CVE-2013-1697, CVE-2013-1698, CVE-2013-1699,

https://bugs.launchpad.net/ubuntu/precise/+source/firefox/+bug/1192913

Severity
critical
Lowest
Low
Medium
High
Critical

June 26, 2013

Topics%20covered

Topics Covered

security advisory denial of service code execution firefox ubuntu malicious website

Package Information

https://launchpad.net/ubuntu/+source/firefox/22.0+build2-0ubuntu0.13.04.1
https://launchpad.net/ubuntu/+source/firefox/22.0+build2-0ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/firefox/22.0+build2-0ubuntu0.12.04.1

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