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USN-468-1: Firefox vulnerabilities

1 June 2007

Firefox vulnerabilities

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Releases

Details

Various flaws were discovered in the layout and JavaScript engines.
By tricking a user into opening a malicious web page, an attacker could
execute arbitrary code with the user's privileges. (CVE-2007-2867,
CVE-2007-2868)

A flaw was discovered in the form autocomplete feature. By tricking
a user into opening a malicious web page, an attacker could cause a
persistent denial of service. (CVE-2007-2869)

Nicolas Derouet discovered flaws in cookie handling. By tricking a user
into opening a malicious web page, an attacker could force the browser to
consume large quantities of disk or memory while processing long cookie
paths. (CVE-2007-1362)

A flaw was discovered in the same-origin policy handling of the
addEventListener JavaScript method. A malicious web site could exploit
this to modify the contents, or steal confidential data (such as
passwords), of other web pages. (CVE-2007-2870)

Chris Thomas discovered a flaw in XUL popups. A malicious web site
could exploit this to spoof or obscure portions of the browser UI,
such as the location bar. (CVE-2007-2871)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 7.04
  • firefox - 2.0.0.4+1-0ubuntu1
Ubuntu 6.10
  • firefox - 2.0.0.4+0dfsg-0ubuntu0.6.10
Ubuntu 6.06
  • firefox - 1.5.dfsg+1.5.0.12-0ubuntu0.6.06.1

After a standard system upgrade you need to restart Firefox to effect
the necessary changes.

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