Full Disclosure mailing list archives
Stealing Search Engine Queries with JavaScript
From: "Billy Hoffman" <Billy.Hoffman () spidynamics com>
Date: Fri, 29 Sep 2006 12:45:12 -0400
SPI Labs has discovered a practical method of using JavaScript to detect the search queries a user has entered into arbitrary search engines. All the code needed to steal a user's search queries is written in JavaScript and uses Cascading Style Sheets (CSS). This code could be embedded into any website either by the website owner or by a malicious third party through a Cross-site Scripting (XSS) attack. There it would harvest information about every visitor to that site. Possible uses: -HMO's website could check if a visitor has been searching other sites about cancer, cancer treatments, or drug rehab centers. -Advertising networks could gather information about which topics someone is interested based on their search history and use that to echance their customer databases. -Government websites could see if a visitor has been searching for bomb-making instructions. SPI has published a whitepaper about this technique and has also release proof of concept code that will steal search engine queries. Works solid in Firefox, and IE support is a little shaky on multi word queries. Whitepaper: http://www.spidynamics.com/assets/documents/JS_SearchQueryTheft.pdf Proof of Concept: http://www.spidynamics.com/spilabs/js-search/index.html Have fun, Billy Hoffman -- Lead R&D Engineer SPI Dynamics - http://www.spidynamics.com <http://www.spidynamics.com/> Phone: 678-781-4800 Direct: 678-781-4845
_______________________________________________ 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:
- Stealing Search Engine Queries with JavaScript Billy Hoffman (Sep 29)
- Re: Stealing Search Engine Queries with JavaScript Dave "No, not that one" Korn (Sep 29)
- Re: [WEB SECURITY] Stealing Search Engine Queries with JavaScript Brian Eaton (Sep 29)
- Re: [WEB SECURITY] Stealing Search Engine Queries with JavaScript Chris Hofmann (Sep 30)
- Re: [WEB SECURITY] Stealing Search Engine Queries with JavaScript Collin Jackson (Sep 30)
- Re: [WEB SECURITY] Stealing Search Engine Queries with JavaScript Ian (Sep 30)
- Re: Stealing Search Engine Queries with JavaScript マグロ原子 (Sep 30)