krackattacks.com

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KRACK Attacks: Breaking WPA2

 Genereret Marts 06 2026 21:50 PM

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Titel

KRACK Attacks: Breaking WPA2

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Beskrivelse

This website presents the Key Reinstallation Attack (KRACK). It breaks the WPA2 protocol by forcing nonce reuse in encryption algorithms used by Wi-Fi.

Længde : 151

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Nøgleord

WPA2, KRACK, key reinstallation, security protocols, network security, attacks, nonce reuse, handshake, packet number, initialization vector, Mathy Vanhoef

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Overskrifter

H1 H2 H3 H4 H5 H6
1 7 38 0 0 0
  • [H1] Key Reinstallation Attacks
  • [H2] Breaking WPA2 by forcing nonce reuse
  • [H2] Introduction
  • [H2] Demonstration
  • [H2] Details
  • [H2] Paper
  • [H2] Tools
  • [H2] Q&A
  • [H3] Discovered by Mathy Vanhoef of imec-DistriNet, KU Leuven, 2017
  • [H3] Key reinstallation attacks: high level description
  • [H3] Key reinstallation attacks: concrete example against the 4-way handshake
  • [H3] Practical impact
  • [H3] Android and Linux
  • [H3] Assigned CVE identifiers
  • [H3] Addendum: wpa_supplicant v2.6 and Android 6.0+
  • [H3] Addendum: other vulnerable handshakes
  • [H3] Selected errata
  • [H3] Citation example and bibtex entry
  • [H3] Is there a higher resolution version of the logo?
  • [H3] Do we now need WPA3?
  • [H3] Should I change my Wi-Fi password?
  • [H3] I'm using WPA2 with only AES. That's also vulnerable?
  • [H3] You use the word "we" in this website. Who is we?
  • [H3] Is my device vulnerable?
  • [H3] What if there are no security updates for my router or access point? Or if it does not support 802.11r?
  • [H3] Is it sufficient to patch only the access point? Or to patch only clients?
  • [H3] Can we modify an access point to prevent attacks against the client?
  • [H3] How did you discover these vulnerabilities?
  • [H3] The 4-way handshake was mathematically proven as secure. How is your attack possible?
  • [H3] Some attacks in the paper seem hard
  • [H3] If an attacker can do a man-in-the-middle attack, why can't they just decrypt all the data?
  • [H3] Does an attacker to have be near your network in order to attack it?
  • [H3] Are people exploiting this in the wild?
  • [H3] Should I temporarily use WEP until my devices are patched?
  • [H3] Will the Wi-Fi standard be updated to address this?
  • [H3] Is the Wi-Fi Alliance also addressing these vulnerabilities?
  • [H3] Why did you use match.com as an example in the demonstration video?
  • [H3] How can these types of bugs be prevented?
  • [H3] Why the domain name krackattacks.com?
  • [H3] Did you get bug bounties for this?
  • [H3] How does this attack compare to other attacks against WPA2?
  • [H3] Are other protocols also affected by key reinstallation attacks?
  • [H3] When did you first notify vendors about the vulnerability?
  • [H3] Why did OpenBSD silently release a patch before the embargo?
  • [H3] So you expect to find other Wi-Fi vulnerabilities?
  • [H3] Where can I learn more about key reinstallation attacks?

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On-page links

Vi fandt et total af 108 links inkluderende 13 link(s) til filer

Anker Type Juice
Mathy Vanhoef Ekstern Sender Juice
imec-DistriNet Ekstern Sender Juice
Intro Intern Sender Juice
Demo Intern Sender Juice
Details Intern Sender Juice
Paper Intern Sender Juice
Tools Intern Sender Juice
Q&A Intern Sender Juice
database of CERT/CC Ekstern Sender Juice
Computer and Communications Security (CCS) Ekstern Sender Juice
Black Hat Europe Ekstern Sender Juice
we have a follow-up paper Intern Sender Juice
see below for more info Intern Sender Juice
non-browser software Ekstern Sender Juice
Apple's iOS and OS X Ekstern Sender Juice
Android apps Ekstern Sender Juice
Android apps again Ekstern Sender Juice
banking apps Ekstern Sender Juice
VPN apps Ekstern Sender Juice
keystream Ekstern Sender Juice
English text can still be decrypted Ekstern Sender Juice
hijack TCP connections Ekstern Sender Juice
adopted at a high rate Ekstern Sender Juice
50% of Android devices Ekstern Sender Juice
CVE-2017-13077 Ekstern Sender Juice
CVE-2017-13078 Ekstern Sender Juice
CVE-2017-13079 Ekstern Sender Juice
CVE-2017-13080 Ekstern Sender Juice
CVE-2017-13081 Ekstern Sender Juice
CVE-2017-13082 Ekstern Sender Juice
CVE-2017-13084 Ekstern Sender Juice
CVE-2017-13086 Ekstern Sender Juice
CVE-2017-13087 Ekstern Sender Juice
CVE-2017-13088 Ekstern Sender Juice
vulnerability note VU#228519 Ekstern Sender Juice
Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2 Ekstern Sender Juice
Computer and Communications Security (CCS) Ekstern Sender Juice
These scripts are available on github Ekstern Sender Juice
Is there a higher resolution version of the logo? Intern Sender Juice
Do we now need WPA3? Intern Sender Juice
Should I change my Wi-Fi password? Intern Sender Juice
I'm using WPA2 with only AES. That's also vulnerable? Intern Sender Juice
You use the word "we" in this website. Who is we? Intern Sender Juice
Is my device vulnerable? Intern Sender Juice
What if there are no security updates for my router or access point? Or if it does not support 802.11r? Intern Sender Juice
Is it sufficient to patch only the access point? Or to patch only clients? Intern Sender Juice
Can we modify an access point to prevent attacks against the client? Intern Sender Juice
How did you discover these vulnerabilities? Intern Sender Juice
The 4-way handshake was mathematically proven as secure. How is your attack possible? Intern Sender Juice
Some attacks in the paper seem hard Intern Sender Juice
If an attacker can do a man-in-the-middle attack, why can't they just decrypt all the data? Intern Sender Juice
Does an attacker to have be near your network in order to attack it? Intern Sender Juice
Are people exploiting this in the wild? Intern Sender Juice
Should I temporarily use WEP until my devices are patched? Intern Sender Juice
Will the Wi-Fi standard be updated to address this? Intern Sender Juice
Is the Wi-Fi Alliance also addressing these vulnerabilities? Intern Sender Juice
Why did you use match.com as an example in the demonstration video? Intern Sender Juice
How can these types of bugs be prevented? Intern Sender Juice
Why the domain name krackattacks.com? Intern Sender Juice
Did you get bug bounties for this? Intern Sender Juice
How does this attack compare to other attacks against WPA2? Intern Sender Juice
Are other protocols also affected by key reinstallation attacks? Intern Sender Juice
When did you first notify vendors about the vulnerability? Intern Sender Juice
Why did OpenBSD silently release a patch before the embargo? Intern Sender Juice
So you expect to find other Wi-Fi vulnerabilities? Intern Sender Juice
Where can I learn more about key reinstallation attacks? Intern Sender Juice
Yes there is Intern Sender Juice
Darlee Urbiztondo Ekstern Sender Juice
honorary authorship Ekstern Sender Juice
author list Ekstern Sender Juice
division of work Ekstern Sender Juice
this community maintained list on GitHub Ekstern Sender Juice
hostapd reuses the ANonce value Ekstern Sender Juice
hostapd project has such a modification available Ekstern Sender Juice
see for example Cisco Ekstern Sender Juice
another paper Ekstern Sender Juice
ic_set_key Ekstern Sender Juice
channel-based MitM position Ekstern Sender Juice
two miles Ekstern Sender Juice
eight miles Ekstern Sender Juice
Wi-Fi Alliance Ekstern Sender Juice
The Wi-Fi Alliance has a plan Ekstern Sender Juice
all the information these dating websites may be collecting Ekstern Sender Juice
pleonasm Ekstern Sender Juice
Wi-Fi Protected Setup (WPS) Ekstern Sender Juice
WPA-TKIP Ekstern Sender Juice
CERT/CC Ekstern Sender Juice
announced an errata on 30 August 2017 Ekstern Sender Juice
OpenBSD 6.0 Ekstern Sender Juice
OpenBSD 6.1 Ekstern Sender Juice
LiveOverflow has an excellent video explaining the attack Ekstern Sender Juice
Computerphile also made a video about the attack Ekstern Sender Juice
Matthew Green has a good blog post about KRACK and the causes of the vulnerability Ekstern Sender Juice
Mojo Networks has a detailed blog posts on the attacks Ekstern Sender Juice
Bruce Schneier also briefly discusses the attack Ekstern Sender Juice
The BCC made a short video explaining the attack, and wrote an article about it Ekstern Sender Juice
The Wall Street Journal: Significant Flaw Discovered in Wi-Fi Security Protocol Ekstern Sender Juice
The Guardian: 'All wifi networks' are vulnerable to hacking, security expert discovers Ekstern Sender Juice
TIME: Everything With Wi-Fi Has a Newly Discovered Security Flaw. Here's How to Protect Yourself Ekstern Sender Juice
Ars Technica: Serious flaw in WPA2 protocol lets attackers intercept passwords and much more Ekstern Sender Juice
Ars Technica: How the KRACK attack destroys nearly all Wi-Fi security Ekstern Sender Juice
The Verge: Wi-Fi security has been breached, say researchers Ekstern Sender Juice
The Verge: 41 percent of Android phones are vulnerable to 'devastating' Wi-Fi attack Ekstern Sender Juice
Reuters: Researchers uncover flaw that makes Wi-Fi vulnerable to hacks Ekstern Sender Juice
Forbes: Update Every Device -- This KRACK Hack Kills Your Wi-Fi Privacy Ekstern Sender Juice
CNET: KRACK attack: Here's how companies are responding Ekstern Sender Juice
Creative Commons Attribution 4.0 International License Ekstern Sender Juice
TEMPLATED Ekstern noFollow

SEO Nøgleord

Nøgleords cloud

wi-fi protocol reinstallation handshake client attack against also key attacks

Nøgleords balance

Nøgleord Indhold Titel Nøgleord Beskrivelse Overskrifter
key 43
attacks 39
attack 35
wi-fi 28
handshake 26

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