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Ubuntu: 1890-2: Firefox regression Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Ubuntu USN-1890-1 introduced a regression in Firefox.
==========================================================================
Ubuntu Security Notice USN-1890-2
July 03, 2013

firefox regression
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

USN-1890-1 introduced a regression in Firefox.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

USN-1890-1 fixed vulnerabilities in Firefox. This update introduced a
regression which sometimes resulted in Firefox using the wrong network
proxy settings. This update fixes the problem.

We apologize for the inconvenience.

Original advisory 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 execute arbitrary code with the
 privileges of the user invoking Firefox. (CVE-2013-1687)
 
 Mariusz Mlynski discovered that the profiler user interface incorrectly
 handled data from the profiler. If the user examined profiler output
 on a specially crafted page, an attacker could potentially exploit this to
 execute arbitrary code with the privileges of the user invoking Firefox.
 (CVE-2013-1688)
 
 A crash was discovered when reloading a page that contained content using
 the onreadystatechange event. An attacker could potentially exploit this
 to execute arbitrary code with the privileges of the user invoking Firefox
 (CVE-2013-1690)
 
 Johnathan Kuskos discovered that Firefox sent data in the body of
 XMLHttpRequest HEAD requests. An attacker could exploit this to conduct
 Cross-Site Request Forgery (CSRF) attacks. (CVE-2013-1692)
 
 Paul Stone discovered a timing flaw in the processing of SVG images with
 filters. An attacker could exploit this to view sensitive information.
 (CVE-2013-1693)
 
 Boris Zbarsky discovered a flaw in PreserveWrapper. An attacker could
 potentially exploit this to cause a denial of service via application
 crash, or execute code with the privileges of the user invoking Firefox.
 (CVE-2013-1694)
 
 Bob Owen discovered that a sandboxed iframe could use a frame element
 to bypass its own restrictions. (CVE-2013-1695)
 
 Frédéric Buclin discovered that the X-Frame-Options header is ignored
 in multi-part responses. An attacker could potentially exploit this
 to conduct clickjacking attacks. (CVE-2013-1696)
 
 It was discovered that XrayWrappers could be bypassed to call
 content-defined methods in certain circumstances. An attacker could
 exploit this to cause undefined behaviour. (CVE-2013-1697)
 
 Matt Wobensmith discovered that the getUserMedia permission dialog
 displayed the wrong domain in certain circumstances. An attacker could
 potentially exploit this to trick the user in to giving a malicious
 site access to their microphone or camera. (CVE-2013-1698)
 
 It was discovered that the measures for preventing homograph attacks
 using Internationalized Domain Names (IDN) were not sufficient
 for certain Top Level Domains (TLD). An attacker could potentially
 exploit this to conduct URL spoofing and phishing attacks.
 (CVE-2013-1699)

Update instructions:

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

Ubuntu 13.04:
  firefox                         22.0+build2-0ubuntu0.13.04.2

Ubuntu 12.10:
  firefox                         22.0+build2-0ubuntu0.12.10.2

Ubuntu 12.04 LTS:
  firefox                         22.0+build2-0ubuntu0.12.04.2

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

References:
  http://www.ubuntu.com/usn/usn-1890-2
  http://www.ubuntu.com/usn/usn-1890-1
  https://launchpad.net/bugs/1194841

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/22.0+build2-0ubuntu0.13.04.2
  https://launchpad.net/ubuntu/+source/firefox/22.0+build2-0ubuntu0.12.10.2
  https://launchpad.net/ubuntu/+source/firefox/22.0+build2-0ubuntu0.12.04.2



 
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