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Highly critical

Mozilla Firefox 2 Multiple Vulnerabilities

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Release Date:  2008-11-13    Last Update:  2008-11-19    Views:  9,594

Secunia Advisory SA32693

Where:

From remote

Impact:

Security Bypass, Exposure of system information, Exposure of sensitive information, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


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

1) An error in the processing of ".url" shortcuts can be exploited to obtain sensitive information from the local cache.

For more information:
SA32192

2) An error in the handling of HTTP redirect requests can be exploited to bypass the same-origin policy and access potential sensitive information stored in images in another domain.

3) An error exists when testing if a Flash module is dynamically unloaded. This can be exploited to dereference memory no longer mapped to the Flash module via an SWF file that dynamically unloads itself from an outside JavaScript function.

4) An error when locking a non-native object can be exploited to cause a crash via a web page assigning a specially crafted value to the "window.__proto__.__proto__" object.

5) An error in the browser engine can be exploited to cause a memory corruption.

6) Two errors in the JavaScript engine can be exploited to cause memory corruptions.

Successful exploitation of vulnerabilities #3-#6 may allow execution of arbitrary code.

7) An error in the browser's restore feature can be exploited to violate the same-origin policy and run arbitrary JavaScript code in the context of another site.

NOTE: The vulnerability can also be exploited to execute arbitrary JavaScript code with chrome privileges.

8) An error in the processing of the "http-index-format" MIME type can be exploited to execute arbitrary code via a specially crafted 200 header line included in an HTTP index response.

9) An error in the DOM constructing code can be exploited to dereference uninitialized memory and potentially execute arbitrary code by modifying certain properties of a file input element before the element has finished initializing.

10) An error in the implementation of the "nsXMLHttpRequest::NotifyEventListeners()" method can be exploited to execute arbitrary JavaScript code in the context of another site.

11) An error when handling the "-moz-binding" CSS property can be exploited to manipulate signed JAR files and execute arbitrary JavaScript code in the context of another site.

12) An error exists when parsing the default XML namespace of an E4X document. This can be exploited to inject arbitrary XML code via a specially crafted namespace containing quote characters.

The vulnerabilities are reported in versions prior to 2.0.0.18.


Solution:
Update to version 2.0.0.18.

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits:
1) Liu Die Yu of TopsecTianRongXin
2) Georgi Guninski, Michal Zalewski, and Chris Evans
3) an anonymous researcher, reported via ZDI
4) Jesse Ruderman
5) Daniel Veditz
6) Bob Clary and Joachim Kuebart
7) David Bloom and moz_bug_r_a4
8) Justin Schuh of IBM X-Force
9) ling and wushi of team509, reported via ZDI
10) moz_bug_r_a4
11) Collin Jackson
12) Chris Evans

Original Advisory:
Mozilla Foundation:
http://www.mozilla.org/security/announce/2008/mfsa2008-47.html
http://www.mozilla.org/security/announce/2008/mfsa2008-48.html
http://www.mozilla.org/security/announce/2008/mfsa2008-49.html
http://www.mozilla.org/security/announce/2008/mfsa2008-50.html
http://www.mozilla.org/security/announce/2008/mfsa2008-52.html
http://www.mozilla.org/security/announce/2008/mfsa2008-53.html
http://www.mozilla.org/security/announce/2008/mfsa2008-54.html
http://www.mozilla.org/security/announce/2008/mfsa2008-55.html
http://www.mozilla.org/security/announce/2008/mfsa2008-56.html
http://www.mozilla.org/security/announce/2008/mfsa2008-57.html
http://www.mozilla.org/security/announce/2008/mfsa2008-58.html

Chris Evans:
http://scary.beasts.org/security/CESA-2008-009.html
http://scary.beasts.org/security/CESA-2008-010.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Mozilla Firefox 2 Multiple Vulnerabilities

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