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cuw44

WPAD (badWPAD vulnerability) should I disable or not?

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Posted (edited)

Hi I have read recently very bad things about WPAD vulnerability for example here nakedsecurity.sophos.com/2016/05/25/when-domain-names-attack-the-wpad-name-collision-vulnerability/ (article from 2016) or here blog.redteam.pl/2019/05/badwpad-dns-suffix-wpad-wpadblocking-com.html (article from 2019) How to defend against it? If I only use wifi only from my home network, am I also at risk? Should I disable it?

Thanks in advance

Edited by cuw44

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Posted (edited)

The simplest solution for this assuming you're not using a proxy connection is to do what U.S.-CERT recommends:

Quote

Solution

US-CERT encourages users and network administrators to implement the following recommendations to provide a more secure and efficient network infrastructure:

  • Consider disabling automatic proxy discovery/configuration in browsers and operating systems unless those systems will only be used on internal networks.

https://www.us-cert.gov/ncas/alerts/TA16-144A

In Win 10, turn off all proxy settings as shown in the below screen shot:

Eset_Proxy.thumb.png.edb6ea70b126d717469cc29174dd7752.png

As far as browsers go, almost all are set by default to use OS proxy settings.

Edited by itman

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