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TITLE:
Mozilla Firefox Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA36711

VERIFY ADVISORY:
https://secunia.com/advisories/36711/

DESCRIPTION:
Some vulnerabilities have been reported in Mozilla Firefox, which can
be exploited by malicious people to disclose sensitive information,
bypass certain security restrictions, manipulate certain data,  or
compromise a user's system.

1) An array indexing error exists when allocating space for floating
point numbers. This can be exploited to trigger a memory corruption
when a specially crafted floating point number is processed.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 3.0.14 and 3.5.3. Prior
versions may also be affected.

2) An error in the form history functionality can be exploited to
disclose history entries via a specially crafted web page that
triggers the automatic filling of form fields.

3) An error when creating JavaScript web-workers recursively can be
exploited to trigger the use of freed memory and cause a crash or
potentially execute arbitrary code.

4) An error exists when parsing regular expressions used in Proxy
Auto-configuration (PAC). This can be exploited to cause a crash or
potentially execute arbitrary code via specially crafted configured
PAC files.

5) An error when processing GIF color maps can be exploited to cause
a heap-based buffer overflow and potentially execute arbitrary code
via a specially crafted GIF file.

6) An error in the "XPCVariant::VariantDataToJS()" XPCOM utility can
be exploited to execute arbitrary JavaScript code with chrome
privileges.

7) An error in the implementation of the JavaScript
"document.getSelection()" function can be exploited to read text
selected on a web page in a different domain.

8) An error when downloading files can be exploited to display
different file names in the download dialog title bar and download
dialog body. This can be exploited to obfuscate file names via a
right-to-left override character and potentially trick a user into
running an executable file.

9) An error in the embedded liboggz library can be exploited to cause
a crash or potentially execute arbitrary code.

10) Multiple errors in the embedded libvorbis library can be
exploited to cause crashes or potentially execute arbitrary code.

11) An error in the embedded liboggplay library can be exploited to
cause a crash or potentially execute arbitrary code.

12) Multiple errors in the Firefox 3 and Firefox 3.5 browser engines
can be exploited to cause crashes or potentially execute arbitrary
code.

13) Multiple errors in the Firefox 3.5 browser engine can be
exploited to cause crashes or potentially execute arbitrary code.

14) An error in the Firefox 3 browser engine can be exploited to
cause a crash or potentially execute arbitrary code.

15) Multiple errors in the Firefox 3.5 JavaScript engine can be
exploited to cause crashes or potentially execute arbitrary code.

SOLUTION:
Update to version 3.0.15 or 3.5.4.

PROVIDED AND/OR DISCOVERED BY:
1) Alin Rad Pop, Secunia Research

The vendor also credits:
2) Paul Stone
3) Orlando Berrera of Sec Theory
4) Marco C.
5) regenrecht, reported via iDefense
6) moz_bug_r_a4
7) Gregory Fleischer
8) Jesse Ruderman and Sid Stamm
9) Georgi Guninski
10) Lucas Adamski, Matthew Gregan, David Keeler, and Dan Kaminsky
11) Juan Becerra
12) Vladimir Vukicevic, Jesse Ruderman, Martijn Wargers, Daniel
Banchero, David Keeler, and Boris Zbarsky
13) Thomas Frederiksen, Marcia Knous, Jesse Ruderman, Carsten Book,
and Kevin Brosnan
14) Carsten Book
15) David Anderson and Jeff Walden

ORIGINAL ADVISORY:
Mozilla Foundation:
https://www.mozilla.org/security/announce/2009/mfsa2009-52.html
https://www.mozilla.org/security/announce/2009/mfsa2009-54.html
https://www.mozilla.org/security/announce/2009/mfsa2009-55.html
https://www.mozilla.org/security/announce/2009/mfsa2009-56.html
https://www.mozilla.org/security/announce/2009/mfsa2009-57.html
https://www.mozilla.org/security/announce/2009/mfsa2009-59.html
https://www.mozilla.org/security/announce/2009/mfsa2009-61.html
https://www.mozilla.org/security/announce/2009/mfsa2009-62.html
https://www.mozilla.org/security/announce/2009/mfsa2009-63.html
https://www.mozilla.org/security/announce/2009/mfsa2009-64.html

Secunia Research:
https://secunia.com/secunia_research/2009-35/

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About:
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vulnerabilities.

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Definitions: (Criticality, Where etc.)
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Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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