Full Disclosure mailing list archives
Re: Security issue in Microsoft Outlook
From: Raoul Nakhmanson-Kulish <raoul () elforsoft com>
Date: Thu, 19 May 2005 10:02:31 +0400
Hello, Bakchodiya! On 19.05.2005 0:27 you wrote:
This "bug" is a standard feature of HTML (including, of course, HTML messages): you may specify any URL in <a href="..."> regardless of link text. This is a wide-spreaded trick for phishing, and you haven't discovered the America ;)Lets compose an email in MS Outlook, lets type http://www.cybertrion.com & put a space after it to make it a link. Now put your cursor just beforecybertrion & type any URL for eg: http://www.foo-labs.info now send it to anyone. Thereceiver will see the URL as http://www.foo-labs.info but when he clicks on it it will directly take him to http://www.cybertrion.com I am not sure how critical this is but it can fool alot of people & result in download of a virus.
But at the same time Outlook (prior to 2003) really is more vulnerable than some other mail clients because it doesn't show a real link URL to user. Outlook 2003 shows an URL as a tooltip but after short delay, and some impatient users may be phished.
I prefer to use Mozilla Mail/Thunderbird, it shows a real URL in status bar instantly and moreover has a phishing detection algorithm (Mozilla bug #279191). Especially I like a "View -> Message body as -> Simple HTML" feature which removes any little bit danger HTML tags and attributes from message before showing it but saves hypertext logical formatting.
-- Regards, Raoul Nakhmanson-Kulish, Elfor Soft Ltd., IT Department _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
Current thread:
- Security issue in Microsoft Outlook Bakchodiya (May 18)
- Re: Security issue in Microsoft Outlook Andy Brezinsky (May 18)
- Re: Security issue in Microsoft Outlook Nick FitzGerald (May 18)
- Re: Security issue in Microsoft Outlook Raoul Nakhmanson-Kulish (May 18)
- RE: Security issue in Microsoft Outlook Domingos Bruges (May 19)
- Re: Security issue in Microsoft Outlook Jesse Morgan (May 19)
- Re: Security issue in Microsoft Outlook Tom Gallagher (May 19)
- RE: Security issue in Microsoft Outlook Simon Dever (May 19)
- Re: Security issue in Microsoft Outlook Jens Becker (May 19)
- Re: Security issue in Microsoft Outlook Kevin Martin (May 19)
- Re: Security issue in Microsoft Outlook Dan Margolis (May 20)
- RE: Security issue in Microsoft Outlook Keenan Smith (May 23)
- Re: RE: Security issue in Microsoft Outlook Micheal Espinola Jr (May 23)
- <Possible follow-ups>
- RE: Security issue in Microsoft Outlook Scovetta, Michael V (May 19)
(Thread continues...)