Jump to content

FragAttacks: Difference between revisions

From Wikipedia, the free encyclopedia
Content deleted Content added
m add security researcher
tag as missing info
 
(12 intermediate revisions by 6 users not shown)
Line 1: Line 1:
{{missing info|how the attack functions|date=June 2024}}
{{AFC submission|d|nn|u=RayScript|ns=118|decliner=Stuartyeates|declinets=20210725101923|ts=20210622172116}} <!-- Do not remove this line! -->

{{AFC comment|1=Not really in in-depth coverage that's needed for these things. To be honest, unless it makes it to the mainstream media and/or gets widely exploited I'm not sure it's ever going to get the coverage. [[User:Stuartyeates|Stuartyeates]] ([[User talk:Stuartyeates|talk]]) 10:19, 25 July 2021 (UTC)}}

{{AFC comment|1=Write who is Mathy Vanhoef with reliable source/reference. I think no need to wikilink to Mathy Vanhoef. [[User:AntanO|Ant<span style="color:red">a</span>n]][[User talk:AntanO|<b style="color:red">O</b>]] 02:56, 18 July 2021 (UTC)}}

----

{{Infobox bug|CVE={{CVE|2020-24588}},<br>
{{Infobox bug|CVE={{CVE|2020-24588}},<br>
{{CVE|2020-24587|link=no}},<br>
{{CVE|2020-24587|link=no}},<br>
Line 20: Line 13:
{{CVE|2020-26141|link=no}}|discoverer=Mathy Vanhoef}}
{{CVE|2020-26141|link=no}}|discoverer=Mathy Vanhoef}}


'''FragAttacks''', or fragmentation and aggregation attacks, are a group of [[Wi-Fi]] vulnerabilities discovered by security research [[Mathy Vanhoef]]{{cn}}. Since the vulnerabilities are design flaws in the Wi-Fi standard, any device released after 1997 could be vulnerable.<ref>{{Cite web|title=Most Wi-Fi Devices Released Since 1997 Are Vulnerable to FragAttacks|url=https://www.pcmag.com/news/most-wi-fi-devices-released-since-1997-are-vulnerable-to-fragattacks|access-date=2021-05-13|website=PCMAG|language=en}}</ref> The attack can be executed without special privileges.<ref>{{Cite news|title=Decades-Old 'Frag Attack' Flaws Affect Almost Every Wi-Fi Device|language=en-US|work=Wired|url=https://www.wired.com/story/frag-attack-wi-fi-vulnerabilities|access-date=2021-06-22|issn=1059-1028}}</ref>
'''FragAttacks''', or fragmentation and aggregation attacks, are a group of [[Wi-Fi]] vulnerabilities discovered by security research [[Mathy Vanhoef]].<ref name=":0" /> Since the vulnerabilities are design flaws in the Wi-Fi standard, any device released after 1997 could be vulnerable.<ref name=":0">{{Cite web|title=Most Wi-Fi Devices Released Since 1997 Are Vulnerable to FragAttacks|url=https://www.pcmag.com/news/most-wi-fi-devices-released-since-1997-are-vulnerable-to-fragattacks|access-date=2021-05-13|website=PCMAG|language=en}}</ref> The attack can be executed without special privileges.<ref>{{Cite magazine|title=Decades-Old 'Frag Attack' Flaws Affect Almost Every Wi-Fi Device|language=en-US|magazine=Wired|url=https://www.wired.com/story/frag-attack-wi-fi-vulnerabilities|access-date=2021-06-22|issn=1059-1028}}</ref> The attack was detailed on August 5, 2021 at [[Black Hat Briefings]] USA and at later at the [[USENIX]] 30th Security Symposium, where recordings are shared publicly.<ref name=":1">{{Cite web|date=2021-08-06|title=FragAttacks Foil 2 Decades of Wireless Security|url=https://www.darkreading.com/iot/fragattacks-foil-2-decades-of-wireless-security/d/d-id/1341595|access-date=2021-12-25|website=Dark Reading|language=en}}</ref><ref>{{Cite book|last=Vanhoef|first=Mathy|date=2021|title=Fragment and Forge: Breaking {Wi-Fi} Through Frame Aggregation and Fragmentation|url=https://www.usenix.org/conference/usenixsecurity21/presentation/vanhoef|language=en|pages=161–178|isbn=978-1-939133-24-3}}</ref> The attack does not leave any trace in the network logs.<ref>{{Cite web|date=2021-07-13|title=Why We Need to Raise the Red Flag Against FragAttacks|url=https://www.darkreading.com/attacks-breaches/why-we-need-to-raise-the-red-flag-against-fragattacks/a/d-id/1341485|access-date=2021-12-25|website=Dark Reading|language=en}}</ref>
[[File:FragAttacks- Demonstration of Flaws in WPA2-3.webm|thumb|FragAttacks demonstration by Mathy Vanhoef ]]

== Patches ==
== Patches ==
Vanhoef worked with the [[Wi-Fi Alliance]] to help vendors issue patches.<ref name=":1" />
Microsoft started issuing patches for Windows 7 through Windows 10 on May 11, 2021.<ref>{{Cite web|title=Update Windows (and Lots of Other Stuff) ASAP: 'FragAttack' Bugs Found Lurking in Millions of Wifi Devices|url=https://gizmodo.com/update-windows-and-lots-of-other-stuff-asap-fragatta-1846878065|access-date=2021-06-22|website=Gizmodo|language=en-us}}</ref>

Microsoft started issuing patches for Windows 7 through Windows 10 on May 11, 2021.<ref>{{Cite web|title=Update Windows (and Lots of Other Stuff) ASAP: 'FragAttack' Bugs Found Lurking in Millions of Wifi Devices|url=https://gizmodo.com/update-windows-and-lots-of-other-stuff-asap-fragatta-1846878065|access-date=2021-06-22|website=Gizmodo|date=12 May 2021 |language=en-us}}</ref>


== References ==
== References ==
{{Reflist}}
{{Reflist}}


== External Links ==
== External links ==
* ''[https://eprint.iacr.org/2021/763.pdf Fragment and Forge: Breaking Wi-Fi Through Frame Aggregation and Fragmentation]'' by Mathy Vanhoef
* ''[https://eprint.iacr.org/2021/763.pdf Fragment and Forge: Breaking Wi-Fi Through Frame Aggregation and Fragmentation]'' by Mathy Vanhoef


[[:Category:Computer-related introductions in 2021]]
[[Category:Computer-related introductions in 2021]]
[[:Category:Computer security exploits]]
[[Category:Computer security exploits]]
[[:Category:Wi-Fi]]
[[Category:Wi-Fi]]



{{Compu-stub}}
{{computer-security-stub}}
{{Drafts moved from mainspace|date=June 2021}}

Latest revision as of 04:18, 19 June 2024

FragAttacks
CVE identifier(s)CVE-2020-24588,

CVE-2020-24587,
CVE-2020-24586,
CVE-2020-26145,
CVE-2020-26144,
CVE-2020-26140,
CVE-2020-26143,
CVE-2020-26139,
CVE-2020-26146,
CVE-2020-26147,
CVE-2020-26142,

CVE-2020-26141
DiscovererMathy Vanhoef

FragAttacks, or fragmentation and aggregation attacks, are a group of Wi-Fi vulnerabilities discovered by security research Mathy Vanhoef.[1] Since the vulnerabilities are design flaws in the Wi-Fi standard, any device released after 1997 could be vulnerable.[1] The attack can be executed without special privileges.[2] The attack was detailed on August 5, 2021 at Black Hat Briefings USA and at later at the USENIX 30th Security Symposium, where recordings are shared publicly.[3][4] The attack does not leave any trace in the network logs.[5]

FragAttacks demonstration by Mathy Vanhoef

Patches

[edit]

Vanhoef worked with the Wi-Fi Alliance to help vendors issue patches.[3]

Microsoft started issuing patches for Windows 7 through Windows 10 on May 11, 2021.[6]

References

[edit]
[edit]