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Wednesday, November 01, 2006

Security Alert: IE 7.0 Vulnerable to Window Content Injection

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=== SECURITY ALERT =============================================

IE 7.0 Vulnerable to Window Content Injection
Internet Explorer (IE) 7.0 is vulnerable to window content injection
under certain circumstances. When a malicious Web site is open in one
browser window and a legitimate Web site is open in another then the
malicious Web site could alter the content of a pop-up window generated
by the legitimate Web site. The vulnerability could lead to the exposure
of private sensitive information.
Microsoft is aware of the problem and considers the issue to be a
known risk that is to be mitigated by the user, therefore it is unlikely
that a security patch will be forthcoming. In a message posted to the
company's Security Response Center blog, a spokesperson for the company
said that IE 7.0 presents an address bar in pop-up windows, where
previous versions of IE did not do so. The spokesperson said that the
burden is on the user to examine the address bar to ensure that its
content is legitimate. "[People] should never decide to trust a web page
without first verifying both the address of the web page and an SSL
connection," the spokesperson said. See the URL below for the blog
entry.
Some security analysts think that placing the burden on the user is
unreasonable and too risky. Such analysts point to the fact that the
vulnerability was fixed in other browsers, including Firefox, Netscape,
Safari, and Opera, as well as others.

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