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TITLE:
Mozilla Firefox 2 Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA31984

VERIFY ADVISORY:
http://secunia.com/advisories/31984/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Exposure of system information, Exposure of
sensitive information, DoS, System access

WHERE:
>From remote

SOFTWARE:
Mozilla Firefox 2.0.x
http://secunia.com/advisories/product/12434/

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

1) A boundary error in the processing of hyperlinks can be exploited
to cause a stack-based buffer overflow via a specially crafted UTF-8
hyperlink URL.

Successful exploitation may allow execution of arbitrary code.

2) An error in the implementation of the same-origin check in
"nsXMLDocument::OnChannelRedirect()" can be exploited to execute
arbitrary script code in the context of a different website.

3) Multiple errors in "feedWriter" can be exploited to execute
arbitrary script code with Chrome privileges.

4) An error in the JavaScript move and resize functionality can be
exploited to trick the user into clicking an unintended button and
e.g. download a malicious file.

5) Multiple errors can be exploited to pollute "XPCNativeWrappers"
and run arbitrary script code with Chrome privileges. 

6) Multiple errors in "XSLT" and "document.loadBindingDocument()"
while creating documents can be exploited to run arbitrary script
code with Chrome privileges. 

7) Multiple errors in the layout and JavaScript engines can be
exploited to corrupt memory.

Successful exploitation of the vulnerability may allow execution of
arbitrary code.

8) An error in the processing of BOM characters included in
JavaScript code can be exploited to potentially bypass script filters
and facilitate cross-site scripting attacks.

9) An error exists in the HTML parser when processing low surrogate
HTML-escaped characters can be exploited to potentially bypass script
filters and facilitate cross-site scripting.

10) Multiple errors in the implementation of the "resource:" protocol
can be exploited to perform directory traversal attacks and disclose
sensitive information.

11) An error in the XBM decoder can be exploited to read data from
uninitialized memory locations.

The vulnerabilities are reported in versions prior to 2.0.0.17.

SOLUTION:
Update to version 2.0.0.17.
http://www.mozilla.com/en-US/firefox/all-older.html

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) Justin Schuh and Tom Cross of IBM X-Force and Peter Williams of
IBM Watson Labs
2, 3) moz_bug_r_a4
4) Paul Nickerson
5) moz_bug_r_a4
6) Olli Pettay and moz_bug_r_a4
7) Jesse Ruderman, Igor Bukanov, Philip Taylor, Georgi Guninski, and
Antoine Labour
8) Dave Reed, Microsoft
9) Gareth Heyes
10) Boris Zbarsky and Georgi Guninski
11) Billy Hoffman

ORIGINAL ADVISORY:
http://www.mozilla.org/security/announce/2008/mfsa2008-37.html
http://www.mozilla.org/security/announce/2008/mfsa2008-38.html
http://www.mozilla.org/security/announce/2008/mfsa2008-39.html
http://www.mozilla.org/security/announce/2008/mfsa2008-40.html
http://www.mozilla.org/security/announce/2008/mfsa2008-41.html
http://www.mozilla.org/security/announce/2008/mfsa2008-42.html
http://www.mozilla.org/security/announce/2008/mfsa2008-43.html
http://www.mozilla.org/security/announce/2008/mfsa2008-44.html
http://www.mozilla.org/security/announce/2008/mfsa2008-45.html

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