SuSE 10 Security Update : Mozilla Firefox (ZYPP Patch Number 6609)

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Synopsis :

The remote SuSE 10 host is missing a security-related patch.

Description :

The Mozilla Firefox browser was updated to version 3.5.4 to fix
various bugs and security issues.

The following security issues have been fixed :

- Security researcher Paul Stone reported that a user's
form history, both from web content as well as the smart
location bar, was vulnerable to theft. A malicious web
page could synthesize events such as mouse focus and key
presses on behalf of the victim and trick the browser
into auto-filling the form fields with history entries
and then reading the entries. (MFSA 2009-52 /

- Security researcher Jeremy Brown reported that the file
naming scheme used for downloading a file which already
exists in the downloads folder is predictable. If an
attacker had local access to a victim's computer and
knew the name of a file the victim intended to open
through the Download Manager, he could use this
vulnerability to place a malicious file in the
world-writable directory used to save temporary
downloaded files and cause the browser to choose the
incorrect file when opening it. Since this attack
requires local access to the victim's machine, the
severity of this vulnerability was determined to be low.
(MFSA 2009-53 / CVE-2009-3274)

- Security researcher Orlando Berrera of Sec Theory
reported that recursive creation of JavaScript
web-workers can be used to create a set of objects whose
memory could be freed prior to their use. These
conditions often result in a crash which could
potentially be used by an attacker to run arbitrary code
on a victim's computer. (MFSA 2009-54 / CVE-2009-3371)

- Security researcher Marco C. reported a flaw in the
parsing of regular expressions used in Proxy
Auto-configuration (PAC) files. In certain cases this
flaw could be used by an attacker to crash a victim's
browser and run arbitrary code on their computer. Since
this vulnerability requires the victim to have PAC
configured in their environment with specific regular
expresssions which can trigger the crash, the severity
of the issue was determined to be moderate. (MFSA
2009-55 / CVE-2009-3372)

- Security research firm iDefense reported that researcher
regenrecht discovered a heap-based buffer overflow in
Mozilla's GIF image parser. This vulnerability could
potentially be used by an attacker to crash a victim's
browser and run arbitrary code on their computer. (MFSA
2009-56 / CVE-2009-3373)

- Mozilla security researcher moz_bug_r_a4 reported that
the XPCOM utility XPCVariant::VariantDataToJS unwrapped
doubly-wrapped objects before returning them to chrome
callers. This could result in chrome privileged code
calling methods on an object which had previously been
created or modified by web content, potentially
executing malicious JavaScript code with chrome
privileges. (MFSA 2009-57 / CVE-2009-3374)

- Security researcher Alin Rad Pop of Secunia Research
reported a heap-based buffer overflow in Mozilla's
string to floating point number conversion routines.
Using this vulnerability an attacker could craft some
malicious JavaScript code containing a very long string
to be converted to a floating point number which would
result in improper memory allocation and the execution
of an arbitrary memory location. This vulnerability
could thus be leveraged by the attacker to run arbitrary
code on a victim's computer. (MFSA 2009-59 /

- Security researcher Gregory Fleischer reported that text
within a selection on a web page can be read by
JavaScript in a different domain using the
document.getSelection function, violating the
same-origin policy. Since this vulnerability requires
user interaction to exploit, its severity was determined
to be moderate. (MFSA 2009-61 / CVE-2009-3375)

- Mozilla security researchers Jesse Ruderman and Sid
Stamm reported that when downloading a file containing a
right-to-left override character (RTL) in the filename,
the name displayed in the dialog title bar conflicts
with the name of the file shown in the dialog body. An
attacker could use this vulnerability to obfuscate the
name and file extension of a file to be downloaded and
opened, potentially causing a user to run an executable
file when they expected to open a non-executable file.
(MFSA 2009-62 / CVE-2009-3376)

- Mozilla upgraded several thirdparty libraries used in
media rendering to address multiple memory safety and
stability bugs identified by members of the Mozilla
community. Some of the bugs discovered could potentially
be used by an attacker to crash a victim's browser and
execute arbitrary code on their computer. liboggz,
libvorbis, and liboggplay were all upgraded to address
these issues. Audio and video capabilities were added in
Firefox 3.5 so prior releases of Firefox were not
affected. Georgi Guninski reported a crash in liboggz.
(CVE-2009-3377), Lucas Adamski, Matthew Gregan, David
Keeler, and Dan Kaminsky reported crashes in libvorbis.
(CVE-2009-3379), Juan Becerra reported a crash in
liboggplay. (CVE-2009-3378). (MFSA 2009-63 /
CVE-2009-3377 / CVE-2009-3379 / CVE-2009-3378)

- Mozilla developers and community members identified and
fixed several stability bugs in the browser engine used
in Firefox and other Mozilla-based products. Some of
these crashes 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 2009-64 / CVE-2009-3380 /
CVE-2009-3381 / CVE-2009-3382 / CVE-2009-3383)

See also :

Solution :

Apply ZYPP patch number 6609.

Risk factor :

Critical / CVSS Base Score : 10.0

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