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Home » Hacking News » IE exploit - no patch

IE exploit - no patch

by Ivana Strahija on April 29th, 2006 On top of the recent zero-day vulnerability, Internet Explorer was found to sport another unpatched flaw. Proof-of-concept available online, Microsoft unreachable for comment.

Once again Internet Explorer has proven to be the greatest security risk you could install on your computer. In just a week another serious vulnerability arose, together with an online exploit and no patch whatsoever.

FrSIRT says in an advisory that the flaw is due to a race condition in the processing of security dialogs when prompting a user to install/execute an ActiveX control, which could be exploited by remote attackers to manipulate the dialog box and remotely compromise a vulnerable system by convincing a user to visit a specially crafted Web page and perform certain actions (e.g. write a specific text in a text field) that will cause a malicious ActiveX control to be inadvertently installed and/or executed.

Although FrSIRT gave the vulnerability a high risk rating, the danger is lessened by the fact that Windows XP SP2 is not vulnerable, and the exploit itself requires a lot of victim's cooperation.

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