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去除Firefox添加物，改进安全

2007年6月4日 · 由大卫布雷得里

Firefox商标使用某些Firefox添加物，例如普遍的Google， Facebook和LinkedIn添加物，在信息学克里斯托弗Soghoian方面能把您的计算机留在开放对黑客，根据安全专家和印第安纳大学研究生。 感激地，工具例如NoScript、Greasemonkey和AdBlock加上是安全的。 问题可能出现，说Soghoian，由于Facebook addon喜欢通过一个外在服务器而不是Firefox的父母系统Mozilla是更新的方式。

安全漏洞的影响的添加物包括：

  • Google工具栏和Google浏览器Sync
  • 雅虎工具栏
  • Del.icio.us引伸
  • Facebook工具栏
  • AOL工具栏
  • Ask.com工具栏
  • LinkedIn浏览器工具栏
  • Netcraft Anti-Phishing工具栏
  • PhishTank SiteChecker

“用户是脆弱的并且是沈默地安装恶意软件的在危险中攻击者在他们的计算机。 这种可能性存在，每当用户不可能信任他们的域名服务器(DNS)或网络连接。 此的例子包括公开无线网络，并且用户被联络到妥协的家庭路由器”，在他的说Soghoian 轻微的偏执狂blogspot.

读在线之间，然而， Soghoian的建议我们全部立即去除这些“商业”添加物或许，是一点在上面。 如果您 罐头 信任您的DNS，从未使用公开无线通入并且有对您的路由器设定的足够的理解保证您没有通过那个方法妥协(简单地保证您设置一个新口令和从未使用缺省!)您应该然后是完全安全的。

Soghoian的要求成千上万用户是在危险中，并且可能是受害者对在可能劫持e银行业务会议，窃取电子邮件，从您的机器送发送同样的消息到多个新闻组的您的计算机安装的恶意软件。 他增加那， “从官员被下载了仅的那些[添加物] Firefox添加物 页是安全的。

其他，主要商务，引伸也被折磨说Soghoian，推荐用户卸载所有这些添加物等待的安全补丁发行阻止问题。

告诉怎么强有力和安全Firefox与其他高度易受影响的浏览器比较，或许浪潮现在转动。 可能是时间剥离我们的浏览器和跑以最低纲领派方法-没有添加物，没有扭动，没有插入。 它可能非常迅速变得非常乏味。 如此，反而，知道非常问题，确定您安全使能，每当您连接无线或通过您的ISP没有提供的DNS (OpenDNS比访问接入点提供的DNS是一个更好的选择。)，但，最重要，不留给您的路由器运行默认密码。 Lists of default passwords are available across the web to wouldbe criminals. Better safe than sorry.

In case you were curious as to where you had heard the name Christopher Soghoian before, he was infamously raided by the FBI in 2006 for posting information about airport security that allegedly jeopardized homeland security. Hence the odd photo of him on his site in orange overalls being rubber-gloved by an officer of the law, presumably.

For a quick run through of removing Firefox addons check out this post. And, if you want to be really secure, disconnect your internet connection and uninstall Firefox altogether and maybe taking up gardening instead.

12 responses so far ↓

  • David Bradley // Jun 4, 2007 at 12:17 pm

    By the way, if you run your Windows machine under a limited user account to help protect you from malicious installs, then don’t think you are safe from this exploit in Firefox. Firefox will update and install addons regardless of the status of the logged in user (a bit of a bummer in terms of security, really).

  • Wayne Smallman // Jun 5, 2007 at 8:16 pm

    “This possibility exists whenever the user cannot trust their domain name server (DNS) or network connection. Examples of this include public wireless networks, and users connected to compromised home routers,” says Soghoian…”

    As you mention, the implications here are immense. Quite sobering, in fact.

    Good job I’m on OpenDNS, as well.

    Additionally, this could be the very tip of a whole new class of Internet fraud…

  • David Bradley // Jun 5, 2007 at 10:21 pm

    Yep, readers should check out the review of OpenDNS on this site and Wayne’s earlier review of OpenDNS

  • Hsien Lei // Jun 6, 2007 at 9:01 am

    UGH. Another thing to worry about. The other day, I went to a site I visit frequently and my Google Desktop told me there was potential malware on it. Turned out it was one of the ads being served and probably only to users in W. Europe and Asia. @#!

  • David Bradley // Jun 6, 2007 at 10:53 am

    It is the way of the world Hsien, I’m afraid. Even more bad news from Poland via zdnet yesterday - apparently numerous security holes have been opened up in the fully patched versions of Internet Explorer and Firefox.

  • Tom // Jun 6, 2007 at 12:20 pm

    Rumors abound that Firefox 3 will have an antimalicious streak.

  • Wayne Smallman // Jun 6, 2007 at 11:33 pm

    I say let’s start a Neo-Luddite commune in, err .. Doncaster, and get back to basics!

  • David Bradley // Jun 7, 2007 at 8:11 am

    Sunny Donny, hey? Or, Nottingham, even… ;-)

  • Tom // Aug 3, 2007 at 7:43 pm

    Fuzzers poke at programs in search of vulnerabilities that can arise when an application receives data it doesn’t expect. Now, Mozilla (producers of Firefox) are unleashing these hacker tools on to the net in the hope that the community will spot security loopholes before hackers/crackers and alert other users and Mozilla itself before such problems become serious.

    http://blogs.pcworld.com/staffblog/archives/005059.html

    Tom

  • mack // Aug 23, 2007 at 10:20 pm

    1) how can firefox addons be DELETED?

    2) why does all typing, now, since the installation of firefox show a series of small red dots under everything in email?

    3) this new install has taken over everything - 40% of the screen =- and is a nuisance!

  • David Bradley // Aug 24, 2007 at 8:35 am

    mack, removing firefox addons is relatively easy. go into the Tools menu, slide down the menu and click Addons. A box will appear with those you have installed. Simply select the ones you no longer which to run and hit the Uninstall button. Restart FF and they will be gone.

    As to the red dots…are they spelling errors?

    To what new install are you referring? The latest version of Firefox or an Addon? Have you tried cascading or tiling your windows from the toolbar (assuming you’re on XP) and then resizing them to your preference?

    db

  • Wardriving coming to a Wi-Fi hub near you! // Oct 8, 2007 at 10:09 pm

    […] further than my news feeds. So I do today as I did yesterday. And on this occassion, I happen upon an interesting topic over on David Bradley’s Science Text concerning Firefox security issues: “Using certain Firefox addons, such as the popular Google, Facebook, and LinkedIn Add-Ons, could […]

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