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TITLE:
Mozilla Firefox Address Bar Spoofing Vulnerability

SECUNIA ADVISORY ID:
SA40283

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40283/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40283

RELEASE DATE:
2010-06-25

DISCUSS ADVISORY:
http://secunia.com/advisories/40283/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/40283/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=40283

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Michal Zalewski has discovered a vulnerability in Mozilla Firefox,
which can be exploited by malicious people to conduct spoofing
attacks.

The vulnerability is caused due to the address bar of a newly opened
window displaying the URL of the requested location before the page
is loaded. This can be exploited to display arbitrary content in the
blank document while showing the URL of a trusted web site in the
address bar, e.g. by calling "window.stop()" to abort loading the new
page.

The vulnerability is confirmed in version 3.6.4. Other versions may
also be affected.

SOLUTION:
Do not rely on the address bar when untrusted web sites open new
windows.

PROVIDED AND/OR DISCOVERED BY:
Michal Zalewski

ORIGINAL ADVISORY:
http://lcamtuf.blogspot.com/2010/06/yeah-about-that-address-bar-thing.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
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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