Browser exploit: Difference between revisions

Revision as of 00:36, 7 July 2010

Revision as of 23:44, 26 July 2010

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A '''browser exploit''' is a pieceform of malicious code that exploitstakes advantage of a softwareflaw [[computeror bug|bug]]vulnerability in aan [[weboperating browser]]system suchor thatpiece theof codesoftware makeswith the intent to alter a user's browser dosettings without somethingtheir unexpectedknowledge. Malicious code may exploit [[HTMLActiveX]], [[JavaScriptHTML]], Images, [[ActiveX]]images, [[Java (programming language)|Java]], [[JavaScript]], and other Web technologies and cause the browser to run arbitrary code.

{{Unreferenced|date=December 2009}}

A '''browser exploit''' is a piece of code that exploits a software [[computer bug|bug]] in a [[web browser]] such that the code makes the browser do something unexpected. Malicious code may exploit [[HTML]], [[JavaScript]], Images, [[ActiveX]], [[Java (programming language)|Java]] and other Web technologies and cause the browser to run arbitrary code.

==Symptoms==

==Browser exploits families==

[[Cross-zone scripting]] exploits vulnerabilities related to the "zone" concept in some browsers; i.e. a page in "Internet zone" is able to initiate execution with "Local Computer", "Local Intranet" or "Trusted Sites" zone privileges.

Users whose web browsers have fallen victim of a successful browser exploit may find their homepage, search page, and/or favorites have been changed. Other signs include Internet settings options within the browser being altered, access being blocked to specific functions, and the redirection of incorrectly typed URL prefixes.

==Prevention==

There are multiple ways users can protect their web browsers from falling victim to a browser exploit. Such things include installing firewall software, keeping software updated, being cautious when downloading files, and not opening email attachments from unknown sources.

==See also==

*[[Comparison_of_web_browsers#Vulnerabilities|Comparison of web browser vulnerabilities]]

==External Links==

*[http://www.mywot.com/en/online-threats/browser-exploits Online Threats - Browser exploits | WOT Web of Trust]

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