| Description: | Description:
The remote host is missing an update to firefox
announced via advisory USN-490-1.
A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS
Ubuntu 6.10
Ubuntu 7.04
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
Details follow:
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-2007-3734,
CVE-2007-3735)
Flaws were discovered in the JavaScript methods addEventListener and
setTimeout which could be used to inject script into another site in
violation of the browser's same-origin policy. A malicious web site
could exploit this to modify the contents, or steal confidential data
(such as passwords), of other web pages. (CVE-2007-3736)
Ronen Zilberman and Michal Zalewski discovered timing attacks in the
JavaScript engine's use of about:blank frames. A malicious web site
could exploit this to modify the contents, or steal confidential data
(such as passwords), of other web pages. (CVE-2007-3089)
A flaw was discovered in the JavaScript event handling code. By tricking
a user into opening a malicious web page, an attacker could execute
arbitrary code with the user's privileges. (CVE-2007-3737)
Ronald van den Heetkamp discovered that filename URLs including an encoded
null byte could confuse the extension matching code. By tricking a user
into opening a malicious web page, an attacker could execute arbitrary
helper programs. (CVE-2007-3285)
Michal Zalewski discovered flaws in the same-origin handling of cached
wyciwyg:// documents. A malicious web site could exploit this to
modify the contents, or steal confidential data (such as passwords),
of other web pages. (CVE-2007-3656)
Various flaws were discovered in the XPCNativeWrapper method. By tricking
a user into opening a malicious web page, an attacker could execute
arbitrary code with the user's privileges. (CVE-2007-3738).
Solution:
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 6.06 LTS:
firefox 1.5.dfsg+1.5.0.13~
prepatch070716-0ubuntu1
Ubuntu 6.10:
firefox 2.0.0.5+0dfsg-0ubuntu0.6.10
Ubuntu 7.04:
firefox 2.0.0.5+1-0ubuntu1
After a standard system upgrade you need to restart Firefox to effect
the necessary changes.
http://www.securityspace.com/smysecure/catid.html?in=USN-490-1
Risk factor : Critical
CVSS Score:
9.3
|
