| Description: | Description:
The remote host is missing an update to firefox
announced via advisory USN-535-1.
A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS
Ubuntu 6.10
Ubuntu 7.04
Ubuntu 7.10
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-2007-5336,
CVE-2007-5339, CVE-2007-5340)
Michal Zalewski discovered that the onUnload event handlers were
incorrectly able to access information outside the old page content.
A malicious web site could exploit this to modify the contents, or steal
confidential data (such as passwords), of the next loaded web page.
(CVE-2007-1095)
Stefano Di Paola discovered that Firefox did not correctly request
Digest Authentications. A malicious web site could exploit this to
inject arbitrary HTTP headers or perform session splitting attacks
against proxies. (CVE-2007-2292)
Flaws were discovered in the file upload form control. By tricking
a user into opening a malicious web page, an attacker could force
arbitrary files from the user's computer to be uploaded without their
consent. (CVE-2006-2894, CVE-2007-3511)
Eli Friedman discovered that XUL could be used to hide a window's
titlebar. A malicious web site could exploit this to enhance their
attempts at creating phishing web sites. (CVE-2007-5334)
Georgi Guninski discovered that Firefox would allow file-system based
web pages to access additional files. By tricking a user into opening
a malicious web page from a gnome-vfs location, an attacker could steal
arbitrary files from the user's computer. (CVE-2007-5337)
It was discovered that the XPCNativeWrappers were not safe in
certain situations. By tricking a user into opening a malicious
web page, an attacker could run arbitrary JavaScript with the user's
privileges. (CVE-2007-5338)
Solution:
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 6.06 LTS:
firefox 1.5.dfsg+1.5.0.14~
prepatch071011b-0ubuntu1
Ubuntu 6.10:
firefox 2.0.0.8+0dfsg-0ubuntu0.6.10
Ubuntu 7.04:
firefox 2.0.0.8+1nobinonly-0ubuntu1
Ubuntu 7.10:
firefox 2.0.0.8+2nobinonly-0ubuntu1
After a standard system upgrade you need to restart Firefox to affect
the necessary changes.
http://www.securityspace.com/smysecure/catid.html?in=USN-535-1
Risk factor : Critical
CVSS Score:
9.3
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