SuSE 11.1 Security Update : Mozilla Firefox (SAT Patch Number 3693)

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Synopsis :

The remote SuSE 11 host is missing one or more security updates.

Description :

Mozilla Firefox 3.6 was updated to update 3.6.13 fixing several
security issues.

- Mozilla developers identified and fixed several memory
safety bugs in the browser engine used in Firefox and
other Mozilla-based products. Some of these bugs showed
evidence of memory corruption under certain
circumstances, and we presume that with enough effort at
least some of these could be exploited to run arbitrary
code. (MFSA 2010-74)

Jesee Ruderman, Andreas Gal, Nils, and Brian Hackett
reported memory safety problems that affected Firefox
3.6 and Firefox 3.5. (CVE-2010-3776)

Igor Bukanov reported a memory safety problem that was
fixed in Firefox 3.6 only. (CVE-2010-3777)

Jesse Ruderman reported a crash which affected Firefox
3.5 only. (CVE-2010-3778)

- Dirk Heinrich reported that on Windows platforms when
document.write() was called with a very long string a
buffer overflow was caused in line breaking routines
attempting to process the string for display. Such cases
triggered an invalid read past the end of an array
causing a crash which an attacker could potentially use
to run arbitrary code on a victim's computer. (MFSA
2010-75 / CVE-2010-3769)

- Security researcher echo reported that a web page could
open a window with an about:blank location and then
inject an. (MFSA 2010-76 / CVE-2010-3771)

element into that page which upon submission would
redirect to a chrome: document. The effect of this
defect was that the original page would wind up with a
reference to a chrome-privileged object, the opened
window, which could be leveraged for privilege
escalation attacks.

Mozilla security researcher moz_bug_r_a4 provided
proof-of-concept code demonstrating how the above
vulnerability could be used to run arbitrary code with
chrome privileges.

- Security researcher wushi of team509 reported that when
a XUL tree had an HTML element nested inside a element
then code attempting to display content in the XUL tree
would incorrectly treat the element as a parent node to
tree content underneath it resulting in incorrect
indexes being calculated for the child content. These
incorrect indexes were used in subsequent array
operations which resulted in writing data past the end
of an allocated buffer. An attacker could use this issue
to crash a victim's browser and run arbitrary code on
their machine. (MFSA 2010-77 / CVE-2010-3772)

- Mozilla added the OTS font sanitizing library to prevent
downloadable fonts from exposing vulnerabilities in the
underlying OS font code. This library mitigates against
several issues independently reported by Red Hat
Security Response Team member Marc Schoenefeld and
Mozilla security researcher Christoph Diehl. (MFSA
2010-78 / CVE-2010-3768)

- Security researcher Gregory Fleischer reported that when
a Java LiveConnect script was loaded via a data: URL
which redirects via a meta refresh, then the resulting
plugin object was created with the wrong security
principal and thus received elevated privileges such as
the abilities to read local files, launch processes, and
create network connections. (MFSA 2010-79 /

- Security researcher regenrecht reported via
TippingPoint's Zero Day Initiative that a nsDOMAttribute
node can be modified without informing the iterator
object responsible for various DOM traversals. This flaw
could lead to a inconsistent state where the iterator
points to an object it believes is part of the DOM but
actually points to some other object. If such an object
had been deleted and its memory reclaimed by the system,
then the iterator could be used to call into
attacker-controlled memory. (MFSA 2010-80 /

- Security researcher regenrecht reported via
TippingPoint's Zero Day Initiative that JavaScript
arrays were vulnerable to an integer overflow
vulnerability. The report demonstrated that an array
could be constructed containing a very large number of
items such that when memory was allocated to store the
array items, the integer value used to calculate the
buffer size would overflow resulting in too small a
buffer being allocated. Subsequent use of the array
object could then result in data being written past the
end of the buffer and causing memory corruption. (MFSA
2010-81 / CVE-2010-3767)

- Mozilla security researcher moz_bug_r_a4 reported that
the fix for CVE-2010-0179 could be circumvented
permitting the execution of arbitrary JavaScript with
chrome privileges. (MFSA 2010-82 / CVE-2010-3773)

- Google security researcher Michal Zalewski reported that
when a window was opened to a site resulting in a
network or certificate error page, the opening site
could access the document inside the opened window and
inject arbitrary content. An attacker could use this bug
to spoof the location bar and trick a user into thinking
they were on a different site than they actually were.
(MFSA 2010-83 / CVE-2010-3774)

- Security researchers Yosuke Hasegawa and Masatoshi
Kimura reported that the x-mac-arabic, x-mac-farsi and
x-mac-hebrew character encodings are vulnerable to XSS
attacks due to some characters being converted to angle
brackets when displayed by the rendering engine. Sites
using these character encodings would thus be
potentially vulnerable to script injection attacks if
their script filtering code fails to strip out these
specific characters. (MFSA 2010-84 / CVE-2010-3770)

See also :

Solution :

Apply SAT patch number 3693.

Risk factor :

High / CVSS Base Score : 9.3

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