Re: css3-fonts: should not dictate usage policy with respect to origin
Tab Atkins <[email protected]> Thu, 30 Jun 2011 15:38:44 -0700
| Newsgroups | gmane.comp.web.css.general,gmane.comp.web.fonts |
|---|---|
| Message-ID | <CACwK9gd+WNTdx6XBpC=7K2w6EShBg-gmpX=JfAQRY61ar8GEjQ@mail.gmail.com> |
On Thu, Jun 30, 2011 at 3:35 PM, Brad Kemper <[email protected]> wrote: > If there is a corporate font or specialized dingbat font that is only loaded > and used when a person has signed into a secure site (for online banking, > let's say), then an attacker whose site is open in another window or tab can > find out about it using the method Tab described earlier. That is > information leakage that would allow the attacker to know when to attack. He > could, for instance, pop open a small window that says, "you are about to be > automatically signed out. Click OK to stay signed in." And then the OK > button would lead to a phishing site that looked just like the online > banking site, and a lot of users wouldn't realize it. That is a security > risk that has nothing to do with EULAs. In other words, betting that a particular filetype will never be used in malicious attacks is a good way to lose money. ^_^ ~TJ