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Highly critical

Mozilla Firefox Multiple Vulnerabilities

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Release Date:  2009-07-27    Last Update:  2009-08-07    Views:  15,503

Secunia Advisory SA36001

Where:

From remote

Impact:

System access, Spoofing

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in Mozilla Firefox, which can be exploited by malicious people to conduct spoofing attacks or potentially compromise a user's system.

1) An error when opening a new window for a malformed domain can be exploited to display an arbitrary URL in the address bar of a child window by issuing a "window.open()" call with a domain containing e.g. "%20" characters.

2) Various unspecified errors in the browser engine may result in memory corruption and could possibly allow execution of arbitrary code.

3) A combination of a web page with a "Link:" HTTP header and an installed add-on implementing a "Content Policy" in JavaScript (e.g. AdBlock Plus or NoScript) may cause the window's global object to receive an incorrect security wrapper. This can be exploited to execute arbitrary JavaScript with chrome privileges.

NOTE: A bug when receiving replies containing DNS names longer than 15 characters from SOCKS5 proxies may corrupt the subsequent data stream in the response. According to the vendor, there was no evidence of memory corruption.


Solution:
Update to version 3.5.2 or 3.0.13.

Provided and/or discovered by:
1) Juan Pablo Lopez Yacubian
2) The vendor credits Lucas Adamski, Bob Clary, Tobias Markus, and Bob Clary.
3) The vendor credits Wladimir Palant and moz_bug_r_a4.

Original Advisory:
Mozilla:
http://blog.mozilla.com/security/2009/07/28/url-bar-spoofing-vulnerability/
http://www.mozilla.org/security/announce/2009/mfsa2009-38.html
http://www.mozilla.org/security/announce/2009/mfsa2009-44.html
http://www.mozilla.org/security/announce/2009/mfsa2009-45.html
http://www.mozilla.org/security/announce/2009/mfsa2009-46.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 Multiple Vulnerabilities

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